diff --git a/client/src/components/TableFieldMultiSelect.tsx b/client/src/components/TableFieldMultiSelect.tsx
index cad0151..4469e57 100644
--- a/client/src/components/TableFieldMultiSelect.tsx
+++ b/client/src/components/TableFieldMultiSelect.tsx
@@ -35,6 +35,7 @@ export default function TableFieldMultiSelect({
       rows: DataTableRow[];
       columns: Array<{ name: string }>;
       treeColumnIndex: number | null;
+      treeDisplayColumnIndex: number | null;
     };
   }>({
     queryKey: ['/api/directories', tableId],
@@ -69,7 +70,7 @@ export default function TableFieldMultiSelect({
 
   let displayColumnIndex = table?.columns?.findIndex((c) => c.name === displayColumn);
   if (displayColumnIndex === undefined || displayColumnIndex < 0) {
-    displayColumnIndex = 0;
+    displayColumnIndex = table?.treeDisplayColumnIndex ?? 0;
   }
 
   const selectedValues = useMemo(() => {
@@ -166,7 +167,6 @@ export default function TableFieldMultiSelect({
           {hasTree ? (
             <DirectoryTreeMultiSelect
               nodes={nodes}
-              displayColumnIndex={displayColumnIndex!}
               selected={selectedSet}
               onToggle={toggle}
               searchTerm={searchTerm}
diff --git a/client/src/components/TableFieldSelect.tsx b/client/src/components/TableFieldSelect.tsx
index e3d84f9..2711c5c 100644
--- a/client/src/components/TableFieldSelect.tsx
+++ b/client/src/components/TableFieldSelect.tsx
@@ -33,6 +33,7 @@ export default function TableFieldSelect({
       rows: DataTableRow[];
       columns: Array<{ name: string }>;
       treeColumnIndex: number | null;
+      treeDisplayColumnIndex: number | null;
     };
   }>({
     queryKey: ['/api/directories', tableId],
@@ -67,7 +68,7 @@ export default function TableFieldSelect({
 
   let displayColumnIndex = table?.columns?.findIndex((c) => c.name === displayColumn);
   if (displayColumnIndex === undefined || displayColumnIndex < 0) {
-    displayColumnIndex = 0;
+    displayColumnIndex = table?.treeDisplayColumnIndex ?? 0;
   }
 
   const sortedRows = useMemo(() => {
@@ -151,7 +152,6 @@ export default function TableFieldSelect({
           {hasTree ? (
             <DirectoryTreeSelect
               nodes={nodes}
-              displayColumnIndex={displayColumnIndex!}
               value={value}
               onChange={handleSelect}
               searchTerm={searchTerm}
diff --git a/client/src/components/directories/DirectoryRowTree.tsx b/client/src/components/directories/DirectoryRowTree.tsx
index 8597e0a..59439dc 100644
--- a/client/src/components/directories/DirectoryRowTree.tsx
+++ b/client/src/components/directories/DirectoryRowTree.tsx
@@ -107,7 +107,8 @@ function getVisibleItems(tree: DirectoryRowTreeItem[], expanded: Set<number>): D
 
 function filterTree(
   tree: DirectoryRowTreeItem[],
-  query: string
+  query: string,
+  labelColumnIndex = 0
 ): { tree: DirectoryRowTreeItem[]; expanded: Set<number> } {
   if (!query.trim()) return { tree, expanded: new Set<number>() };
   const q = query.toLowerCase();
@@ -115,7 +116,7 @@ function filterTree(
   function walk(nodes: DirectoryRowTreeItem[]): DirectoryRowTreeItem[] {
     const visible: DirectoryRowTreeItem[] = [];
     for (const node of nodes) {
-      const label = String(node.values[0] ?? '').toLowerCase();
+      const label = getRowLabel(node, labelColumnIndex).toLowerCase();
       const children = walk(node.children);
       const childMatch = children.length > 0;
       if (label.includes(q) || childMatch) {
@@ -298,7 +299,7 @@ export function DirectoryRowTree({
   searchQuery,
 }: DirectoryRowTreeProps & { searchQuery?: string }) {
   const tree = useMemo(() => buildTree(rows), [rows]);
-  const filtered = useMemo(() => filterTree(tree, searchQuery || ''), [tree, searchQuery]);
+  const filtered = useMemo(() => filterTree(tree, searchQuery || '', labelColumnIndex), [tree, searchQuery, labelColumnIndex]);
   const effectiveExpanded = useMemo(
     () => (searchQuery?.trim() ? filtered.expanded : expanded),
     [searchQuery, filtered.expanded, expanded]
diff --git a/client/src/components/directories/DirectoryTreeMultiSelect.tsx b/client/src/components/directories/DirectoryTreeMultiSelect.tsx
index 65c56f3..27f3fec 100644
--- a/client/src/components/directories/DirectoryTreeMultiSelect.tsx
+++ b/client/src/components/directories/DirectoryTreeMultiSelect.tsx
@@ -6,7 +6,7 @@ import type { DataTableRow } from '@shared/schema';
 
 export type DirectoryTreeNode =
   | { type: 'group'; id: string; label: string; level: number; children: DirectoryTreeNode[] }
-  | { type: 'row'; id: number; level: number; row: DataTableRow };
+  | { type: 'row'; id: number; label: string; level: number; row: DataTableRow };
 
 function assignLevels(nodes: DirectoryTreeNode[], level = 0): DirectoryTreeNode[] {
   return nodes.map((node) => {
@@ -19,7 +19,6 @@ function assignLevels(nodes: DirectoryTreeNode[], level = 0): DirectoryTreeNode[
 
 interface DirectoryTreeMultiSelectProps {
   nodes: DirectoryTreeNode[];
-  displayColumnIndex: number;
   selected: Set<string>;
   onToggle: (rowId: string) => void;
   searchTerm?: string;
@@ -27,8 +26,7 @@ interface DirectoryTreeMultiSelectProps {
 
 function filterNodes(
   nodes: DirectoryTreeNode[],
-  query: string,
-  displayColumnIndex: number
+  query: string
 ): { nodes: DirectoryTreeNode[]; expanded: Set<string> } {
   if (!query.trim()) return { nodes, expanded: new Set<string>() };
   const q = query.toLowerCase();
@@ -38,7 +36,7 @@ function filterNodes(
     const visible: DirectoryTreeNode[] = [];
     for (const node of items) {
       if (node.type === 'row') {
-        const label = String(node.row.values[displayColumnIndex] ?? node.row.values[0] ?? '').toLowerCase();
+        const label = node.label.toLowerCase();
         if (label.includes(q)) visible.push(node);
       } else {
         const children = walk(node.children);
@@ -56,21 +54,14 @@ function filterNodes(
   return { nodes: walk(nodes), expanded };
 }
 
-function getRowLabel(row: DataTableRow, displayColumnIndex: number): string {
-  const values = Array.isArray(row.values) ? row.values : [];
-  return String(values[displayColumnIndex] ?? values[0] ?? '') || '(без названия)';
-}
-
 function TreeNode({
   node,
-  displayColumnIndex,
   selected,
   onToggle,
   expanded,
   onToggleExpand,
 }: {
   node: DirectoryTreeNode;
-  displayColumnIndex: number;
   selected: Set<string>;
   onToggle: (rowId: string) => void;
   expanded: Set<string>;
@@ -87,7 +78,7 @@ function TreeNode({
         <Checkbox checked={selected.has(rowId)} />
         <FileText className="w-4 h-4 shrink-0 text-muted-foreground" />
         <span className={cn('flex-1 truncate', selected.has(rowId) && 'font-medium')}>
-          {getRowLabel(node.row, displayColumnIndex)}
+          {node.label}
         </span>
       </div>
     );
@@ -117,7 +108,6 @@ function TreeNode({
             <TreeNode
               key={child.type === 'group' ? child.id : child.id}
               node={child}
-              displayColumnIndex={displayColumnIndex}
               selected={selected}
               onToggle={onToggle}
               expanded={expanded}
@@ -132,15 +122,14 @@ function TreeNode({
 
 export function DirectoryTreeMultiSelect({
   nodes,
-  displayColumnIndex,
   selected,
   onToggle,
   searchTerm = '',
 }: DirectoryTreeMultiSelectProps) {
   const nodesWithLevels = useMemo(() => assignLevels(nodes), [nodes]);
   const filtered = useMemo(
-    () => filterNodes(nodesWithLevels, searchTerm, displayColumnIndex),
-    [nodesWithLevels, searchTerm, displayColumnIndex]
+    () => filterNodes(nodesWithLevels, searchTerm),
+    [nodesWithLevels, searchTerm]
   );
   const [manualExpanded, setManualExpanded] = useState<Set<string>>(new Set());
 
@@ -168,7 +157,6 @@ export function DirectoryTreeMultiSelect({
         <TreeNode
           key={node.type === 'group' ? node.id : node.id}
           node={node}
-          displayColumnIndex={displayColumnIndex}
           selected={selected}
           onToggle={onToggle}
           expanded={effectiveExpanded}
diff --git a/client/src/components/directories/DirectoryTreeSelect.tsx b/client/src/components/directories/DirectoryTreeSelect.tsx
index 49985a8..26f0033 100644
--- a/client/src/components/directories/DirectoryTreeSelect.tsx
+++ b/client/src/components/directories/DirectoryTreeSelect.tsx
@@ -5,7 +5,7 @@ import type { DataTableRow } from '@shared/schema';
 
 export type DirectoryTreeNode =
   | { type: 'group'; id: string; label: string; level: number; children: DirectoryTreeNode[] }
-  | { type: 'row'; id: number; level: number; row: DataTableRow };
+  | { type: 'row'; id: number; label: string; level: number; row: DataTableRow };
 
 function assignLevels(nodes: DirectoryTreeNode[], level = 0): DirectoryTreeNode[] {
   return nodes.map((node) => {
@@ -18,7 +18,6 @@ function assignLevels(nodes: DirectoryTreeNode[], level = 0): DirectoryTreeNode[
 
 interface DirectoryTreeSelectProps {
   nodes: DirectoryTreeNode[];
-  displayColumnIndex: number;
   value?: string | number | null;
   onChange: (rowId: string) => void;
   searchTerm?: string;
@@ -26,8 +25,7 @@ interface DirectoryTreeSelectProps {
 
 function filterNodes(
   nodes: DirectoryTreeNode[],
-  query: string,
-  displayColumnIndex: number
+  query: string
 ): { nodes: DirectoryTreeNode[]; expanded: Set<string> } {
   if (!query.trim()) return { nodes, expanded: new Set<string>() };
   const q = query.toLowerCase();
@@ -37,7 +35,7 @@ function filterNodes(
     const visible: DirectoryTreeNode[] = [];
     for (const node of items) {
       if (node.type === 'row') {
-        const label = String(node.row.values[displayColumnIndex] ?? node.row.values[0] ?? '').toLowerCase();
+        const label = node.label.toLowerCase();
         if (label.includes(q)) visible.push(node);
       } else {
         const children = walk(node.children);
@@ -55,21 +53,14 @@ function filterNodes(
   return { nodes: walk(nodes), expanded };
 }
 
-function getRowLabel(row: DataTableRow, displayColumnIndex: number): string {
-  const values = Array.isArray(row.values) ? row.values : [];
-  return String(values[displayColumnIndex] ?? values[0] ?? '') || '(без названия)';
-}
-
 function TreeNode({
   node,
-  displayColumnIndex,
   value,
   onChange,
   expanded,
   onToggle,
 }: {
   node: DirectoryTreeNode;
-  displayColumnIndex: number;
   value?: string | number | null;
   onChange: (rowId: string) => void;
   expanded: Set<string>;
@@ -89,7 +80,7 @@ function TreeNode({
         onClick={() => onChange(rowId)}
       >
         <FileText className="w-4 h-4 shrink-0 text-muted-foreground" />
-        <span className="flex-1 truncate">{getRowLabel(node.row, displayColumnIndex)}</span>
+        <span className="flex-1 truncate">{node.label}</span>
       </button>
     );
   }
@@ -116,7 +107,6 @@ function TreeNode({
             <TreeNode
               key={child.type === 'group' ? child.id : child.id}
               node={child}
-              displayColumnIndex={displayColumnIndex}
               value={value}
               onChange={onChange}
               expanded={expanded}
@@ -131,15 +121,14 @@ function TreeNode({
 
 export function DirectoryTreeSelect({
   nodes,
-  displayColumnIndex,
   value,
   onChange,
   searchTerm = '',
 }: DirectoryTreeSelectProps) {
   const nodesWithLevels = useMemo(() => assignLevels(nodes), [nodes]);
   const filtered = useMemo(
-    () => filterNodes(nodesWithLevels, searchTerm, displayColumnIndex),
-    [nodesWithLevels, searchTerm, displayColumnIndex]
+    () => filterNodes(nodesWithLevels, searchTerm),
+    [nodesWithLevels, searchTerm]
   );
   const [manualExpanded, setManualExpanded] = useState<Set<string>>(new Set());
 
@@ -176,7 +165,6 @@ export function DirectoryTreeSelect({
         <TreeNode
           key={node.type === 'group' ? node.id : node.id}
           node={node}
-          displayColumnIndex={displayColumnIndex}
           value={value}
           onChange={onChange}
           expanded={effectiveExpanded}
diff --git a/client/src/pages/TableEditor.tsx b/client/src/pages/TableEditor.tsx
index 82af450..682cd31 100644
--- a/client/src/pages/TableEditor.tsx
+++ b/client/src/pages/TableEditor.tsx
@@ -87,6 +87,7 @@ export default function TableEditor() {
   const [tableDescription, setTableDescription] = useState('');
   const [tableColumns, setTableColumns] = useState<TableColumn[]>([]);
   const [treeColumnIndex, setTreeColumnIndex] = useState<number | null>(null);
+  const [treeDisplayColumnIndex, setTreeDisplayColumnIndex] = useState<number | null>(null);
   const [importOpen, setImportOpen] = useState(false);
   const [importPreview, setImportPreview] = useState<{ 
     added: { values: string[] }[]; 
@@ -175,6 +176,7 @@ export default function TableEditor() {
       setTableDescription(data.table.description || '');
       setTableColumns(data.table.columns as TableColumn[]);
       setTreeColumnIndex(data.table.treeColumnIndex ?? null);
+      setTreeDisplayColumnIndex(data.table.treeDisplayColumnIndex ?? null);
       setNewRowValues(new Array(data.table.columns.length).fill(''));
     }
   }, [data]);
@@ -186,7 +188,7 @@ export default function TableEditor() {
   }, [rowEditorOpen, rowEditorInitialValues]);
 
   const updateTableMutation = useMutation({
-    mutationFn: async (updates: { name?: string; description?: string; columns?: TableColumn[]; treeColumnIndex?: number | null }) => {
+    mutationFn: async (updates: { name?: string; description?: string; columns?: TableColumn[]; treeColumnIndex?: number | null; treeDisplayColumnIndex?: number | null }) => {
       return apiRequest('PATCH', `/api/directories/${tableId}`, updates);
     },
     onSuccess: () => {
@@ -723,7 +725,7 @@ export default function TableEditor() {
                   <DirectoryColumnTree
                     rows={displayRows}
                     treeColumnIndex={treeColumnIndex}
-                    displayColumnIndex={0}
+                    displayColumnIndex={treeDisplayColumnIndex ?? 0}
                     selectedRowId={selectedRowId}
                     onSelect={handleTreeSelect}
                     onEdit={handleTreeSelect}
@@ -741,6 +743,7 @@ export default function TableEditor() {
                   >
                     <DirectoryRowTree
                       rows={displayRows}
+                      labelColumnIndex={treeDisplayColumnIndex ?? 0}
                       selectedRowId={selectedRowId}
                       expanded={expanded}
                       onSelect={handleTreeSelect}
@@ -755,7 +758,7 @@ export default function TableEditor() {
                       {activeRow ? (
                         <div className="flex items-center gap-2 rounded-md px-2 py-1.5 text-sm bg-accent text-accent-foreground shadow-sm border">
                           <FileText className="w-4 h-4" />
-                          <span>{activeRow.values[0] || '—'}</span>
+                          <span>{activeRow.values[treeDisplayColumnIndex ?? 0] || activeRow.values[0] || '—'}</span>
                         </div>
                       ) : null}
                     </DragOverlay>
@@ -1195,13 +1198,34 @@ export default function TableEditor() {
                 Строки будут сгруппированы по уникальным значениям выбранной колонки.
               </p>
             </div>
+            <div>
+              <Label htmlFor="edit-table-tree-display-column">Колонка для отображения в дереве</Label>
+              <Select
+                value={treeDisplayColumnIndex === null ? '0' : String(treeDisplayColumnIndex)}
+                onValueChange={(val) => setTreeDisplayColumnIndex(Number(val))}
+              >
+                <SelectTrigger id="edit-table-tree-display-column" className="mt-2">
+                  <SelectValue placeholder="Первая колонка" />
+                </SelectTrigger>
+                <SelectContent>
+                  {tableColumns.map((col, idx) => (
+                    <SelectItem key={idx} value={String(idx)}>
+                      {col.name || `Колонка ${idx + 1}`}
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+              <p className="text-xs text-muted-foreground mt-1">
+                Значение этой колонки будет показано как название узла в дереве.
+              </p>
+            </div>
           </div>
           <DialogFooter>
             <Button variant="outline" onClick={() => setSettingsOpen(false)}>
               Отмена
             </Button>
             <Button
-              onClick={() => updateTableMutation.mutate({ name: tableName, description: tableDescription, columns: tableColumns, treeColumnIndex })}
+              onClick={() => updateTableMutation.mutate({ name: tableName, description: tableDescription, columns: tableColumns, treeColumnIndex, treeDisplayColumnIndex })}
               disabled={updateTableMutation.isPending}
               data-testid="button-save-settings"
             >
diff --git a/migrations/0057_add_tree_display_column_index.sql b/migrations/0057_add_tree_display_column_index.sql
new file mode 100644
index 0000000..d1028a1
--- /dev/null
+++ b/migrations/0057_add_tree_display_column_index.sql
@@ -0,0 +1 @@
+ALTER TABLE data_tables ADD COLUMN tree_display_column_index INTEGER;
diff --git a/migrations/meta/_journal.json b/migrations/meta/_journal.json
index bbd1291..66086aa 100644
--- a/migrations/meta/_journal.json
+++ b/migrations/meta/_journal.json
@@ -421,6 +421,13 @@
       "when": 1783883784747,
       "tag": "0056_add_tree_column_index_to_data_tables",
       "breakpoints": true
+    },
+    {
+      "idx": 60,
+      "version": "7",
+      "when": 1752330000000,
+      "tag": "0057_add_tree_display_column_index",
+      "breakpoints": true
     }
   ]
 }
diff --git a/server/routes/data-tables.routes.ts b/server/routes/data-tables.routes.ts
index d29899f..170da10 100644
--- a/server/routes/data-tables.routes.ts
+++ b/server/routes/data-tables.routes.ts
@@ -323,12 +323,13 @@ export function registerDataTableRoutes(app: import("express").Express): void {
           return res.status(403).json({ error: 'Нет прав для редактирования таблицы' });
         }
 
-        const { name, description, columns, treeColumnIndex } = req.body;
+        const { name, description, columns, treeColumnIndex, treeDisplayColumnIndex } = req.body;
         const updates: Record<string, unknown> = {};
         if (name !== undefined) updates.name = name;
         if (description !== undefined) updates.description = description;
         if (columns !== undefined) updates.columns = columns;
         if (treeColumnIndex !== undefined) updates.treeColumnIndex = treeColumnIndex === null ? null : Number(treeColumnIndex);
+        if (treeDisplayColumnIndex !== undefined) updates.treeDisplayColumnIndex = treeDisplayColumnIndex === null ? null : Number(treeDisplayColumnIndex);
 
         const updatedTable = await storage.updateDataTable(tableId, req.organizationId!, updates as Parameters<typeof storage.updateDataTable>[2]);
         res.json({ table: updatedTable });
@@ -504,9 +505,16 @@ export function registerDataTableRoutes(app: import("express").Express): void {
         const treeColumnIndex = table.treeColumnIndex;
         const search = String(req.query.search || '').toLowerCase();
 
+        const displayColumnIndex = table.treeDisplayColumnIndex ?? 0;
+
+        const getRowLabel = (row: typeof rows[number]): string => {
+          const values = Array.isArray(row.values) ? row.values : [];
+          return String(values[displayColumnIndex] ?? values[0] ?? '') || '(без названия)';
+        };
+
         type TreeNode =
           | { type: 'group'; id: string; label: string; children: TreeNode[] }
-          | { type: 'row'; id: number; row: typeof rows[number] };
+          | { type: 'row'; id: number; label: string; row: typeof rows[number] };
 
         const buildParentTree = (parentRows: typeof rows, parentId: number | null): TreeNode[] => {
           const items = parentRows
@@ -514,10 +522,11 @@ export function registerDataTableRoutes(app: import("express").Express): void {
             .sort((a, b) => a.position - b.position);
           return items.map((row) => {
             const children = buildParentTree(parentRows, row.id);
+            const label = getRowLabel(row);
             if (children.length > 0) {
-              return { type: 'group' as const, id: `row-group:${row.id}`, label: String(row.values[0] ?? ''), children: [...children, { type: 'row' as const, id: row.id, row }] };
+              return { type: 'group' as const, id: `row-group:${row.id}`, label, children: [...children, { type: 'row' as const, id: row.id, label, row }] };
             }
-            return { type: 'row' as const, id: row.id, row };
+            return { type: 'row' as const, id: row.id, label, row };
           });
         };
 
@@ -541,16 +550,16 @@ export function registerDataTableRoutes(app: import("express").Express): void {
               type: 'group',
               id: `group:${label}`,
               label,
-              children: sorted.map((row) => ({ type: 'row', id: row.id, row })),
+              children: sorted.map((row) => ({ type: 'row', id: row.id, label: getRowLabel(row), row })),
             });
           }
           if (rootRows.length > 0) {
             rootRows.sort((a, b) => a.position - b.position);
-            nodes.push(...rootRows.map((row) => ({ type: 'row' as const, id: row.id, row })));
+            nodes.push(...rootRows.map((row) => ({ type: 'row' as const, id: row.id, label: getRowLabel(row), row })));
           }
           return nodes.sort((a, b) => {
-            const al = a.type === 'group' ? a.label : String(a.row.values[columnIndex] ?? '');
-            const bl = b.type === 'group' ? b.label : String(b.row.values[columnIndex] ?? '');
+            const al = a.type === 'group' ? a.label : getRowLabel(a.row);
+            const bl = b.type === 'group' ? b.label : getRowLabel(b.row);
             return al.localeCompare(bl, 'ru');
           });
         };
@@ -560,7 +569,7 @@ export function registerDataTableRoutes(app: import("express").Express): void {
           const result: TreeNode[] = [];
           for (const node of nodes) {
             if (node.type === 'row') {
-              const label = String(node.row.values[0] ?? '').toLowerCase();
+              const label = node.label.toLowerCase();
               if (label.includes(query)) result.push(node);
             } else {
               const children = filterNodes(node.children, query);
@@ -579,7 +588,7 @@ export function registerDataTableRoutes(app: import("express").Express): void {
           : buildParentTree(rows, null);
         const nodes = search ? filterNodes(rawNodes, search) : rawNodes;
 
-        res.json({ columnIndex: treeColumnIndex, nodes });
+        res.json({ columnIndex: treeColumnIndex, displayColumnIndex, nodes });
       } catch (error) {
         console.error('Get table rows tree error:', error);
         res.status(500).json({ error: 'Ошибка получения дерева строк' });
diff --git a/shared/schema.ts b/shared/schema.ts
index ff75ae5..f18b22a 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -1843,6 +1843,7 @@ export const dataTables = pgTable("data_tables", {
   visibility: varchar("visibility", { length: 20 }).default("restricted"),
   folderId: integer("folder_id"),
   treeColumnIndex: integer("tree_column_index"),
+  treeDisplayColumnIndex: integer("tree_display_column_index"),
 }, (table) => ({
   folderIdx: index("data_tables_folder_idx").on(table.folderId),
 }));