diff --git a/rsconcept/frontend/public/DejaVu.ttf b/rsconcept/frontend/public/DejaVu.ttf
new file mode 100644
index 00000000..27cff476
Binary files /dev/null and b/rsconcept/frontend/public/DejaVu.ttf differ
diff --git a/rsconcept/frontend/src/components/Common/Modal.tsx b/rsconcept/frontend/src/components/Common/Modal.tsx
index dd0aa2c6..975dafea 100644
--- a/rsconcept/frontend/src/components/Common/Modal.tsx
+++ b/rsconcept/frontend/src/components/Common/Modal.tsx
@@ -33,7 +33,7 @@ function Modal({ title, hideWindow, onSubmit, onCancel, canSubmit, children, sub
     </div>
     <div ref={ref} className='fixed bottom-1/2 left-1/2 translate-y-1/2 -translate-x-1/2 px-6 py-4 flex flex-col w-fit h-fit z-[60] clr-card border shadow-md mb-[5rem]'>
       { title && <h1 className='mb-2 text-xl font-bold text-center'>{title}</h1> }
-      <div className='py-2'>
+      <div>
         {children}
       </div>
       <div className='flex justify-between w-full pt-4 mt-2 border-t-4'>
diff --git a/rsconcept/frontend/src/pages/RSFormPage/DlgCreateCst.tsx b/rsconcept/frontend/src/pages/RSFormPage/DlgCreateCst.tsx
index b85bbed8..79707d6c 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/DlgCreateCst.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/DlgCreateCst.tsx
@@ -36,6 +36,7 @@ function DlgCreateCst({ hideWindow, defaultType, onCreate }: DlgCreateCstProps)
       onSubmit={handleSubmit}
     >
       <ConceptSelect
+        className='my-4'
         options={CstTypeSelector}
         placeholder='Выберите тип'
         values={selectedType ? [{ value: selectedType, label: getCstTypeLabel(selectedType) }] : []}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx b/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx
index 07912daf..6ecb332e 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/DlgShowAST.tsx
@@ -1,27 +1,68 @@
+import { useMemo } from 'react';
+import { darkTheme, GraphCanvas, GraphEdge, GraphNode, lightTheme } from 'reagraph';
+
 import Modal from '../../components/Common/Modal';
-import PrettyJson from '../../components/Common/PrettyJSON';
+import { useConceptTheme } from '../../context/ThemeContext';
+import { resources } from '../../utils/constants';
 import { SyntaxTree } from '../../utils/models';
+import { getNodeLabel } from '../../utils/staticUI';
 
 interface DlgShowASTProps {
   hideWindow: () => void
   syntaxTree: SyntaxTree
+  expression: string
 }
 
-function DlgShowAST({ hideWindow, syntaxTree }: DlgShowASTProps) {
-  const handleSubmit = () => {
+function DlgShowAST({ hideWindow, syntaxTree, expression }: DlgShowASTProps) {
+  const { darkMode } = useConceptTheme();
+  
+  function handleSubmit() {
     // Do nothing
-  };
+  }
+
+  const nodes: GraphNode[] = useMemo(
+  () => syntaxTree.map(node => {
+    return {
+      id: String(node.uid),
+      label: getNodeLabel(node)
+    };
+  }), [syntaxTree]);
+
+  const edges: GraphEdge[] = useMemo(
+  () => {
+    const result: GraphEdge[] = [];
+    syntaxTree.forEach(node => {
+      if (node.parent != node.uid) {
+        result.push({
+          id: String(node.uid),
+          source: String(node.parent),
+          target: String(node.uid)
+        });
+      }
+    });
+    return result;
+  }, [syntaxTree]);
 
   return (
     <Modal
-      title='Просмотр дерева разбора'
       hideWindow={hideWindow}
       onSubmit={handleSubmit}
       submitText='Закрыть'
       canSubmit={true}
     >
-      <div className='max-w-[40rem] max-h-[30rem] overflow-auto'>
-        <PrettyJson data={syntaxTree}/>
+      <div className='flex flex-col items-start gap-2'>
+        <div className='w-full text-lg text-center'>{expression}</div>
+        <div className='flex-wrap w-full h-full overflow-auto'>
+        <div className='relative w-[1040px] h-[600px] 2xl:w-[1680px] 2xl:h-[600px]'>
+          <GraphCanvas
+            nodes={nodes}
+            edges={edges}
+            layoutType='hierarchicalTd'
+            labelFontUrl={resources.graph_font}
+            theme={darkMode ? darkTheme : lightTheme}
+          />
+        </div>
+        </div>
       </div>
     </Modal>
   );
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
index 66feb890..0474ac1d 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
@@ -14,7 +14,7 @@ import ViewSideConstituents from './elements/ViewSideConstituents';
 import { RSTabsList } from './RSTabs';
 
 interface EditorConstituentaProps {
-  onShowAST: (ast: SyntaxTree) => void
+  onShowAST: (expression: string, ast: SyntaxTree) => void
   onShowCreateCst: (selectedID: number | undefined, type: CstType | undefined) => void
 }
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
index 294003cf..0f111568 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
@@ -23,7 +23,7 @@ interface EditorRSExpressionProps {
   placeholder?: string
   value: string
   onChange: (event: React.ChangeEvent<HTMLTextAreaElement>) => void
-  onShowAST: (ast: SyntaxTree) => void
+  onShowAST: (expression: string, ast: SyntaxTree) => void
   toggleEditMode: () => void
   setTypification: (typificaiton: string) => void
   setValue: (expression: string) => void
@@ -247,7 +247,7 @@ function EditorRSExpression({
         { !loading && parseData && 
         <ParsingResult 
           data={parseData} 
-          onShowAST={onShowAST}
+          onShowAST={ast => onShowAST(value, ast)}
           onShowError={onShowError}
         />}
       </div>}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
index 2c667890..8ce9dd18 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
@@ -40,6 +40,7 @@ function RSTabs() {
   const [showUpload, setShowUpload] = useState(false);
   const [showClone, setShowClone] = useState(false);
   const [syntaxTree, setSyntaxTree] = useState<SyntaxTree>([]);
+  const [expression, setExpression] = useState('');
   const [showAST, setShowAST] = useState(false);
   
   const [defaultType, setDefaultType] = useState<CstType | undefined>(undefined);
@@ -136,8 +137,9 @@ function RSTabs() {
     }, [handleAddNew]);
 
   const onShowAST = useCallback(
-  (ast: SyntaxTree) => {
+  (expression: string, ast: SyntaxTree) => {
     setSyntaxTree(ast);
+    setExpression(expression);
     setShowAST(true);
   }, []);
 
@@ -157,6 +159,7 @@ function RSTabs() {
     {showClone && <DlgCloneRSForm hideWindow={() => { setShowClone(false); }}/>}
     {showAST && 
     <DlgShowAST
+      expression={expression}
       syntaxTree={syntaxTree}
       hideWindow={() => { setShowAST(false); }}
     />}
diff --git a/rsconcept/frontend/src/utils/constants.ts b/rsconcept/frontend/src/utils/constants.ts
index ec9d8a74..c5c2750b 100644
--- a/rsconcept/frontend/src/utils/constants.ts
+++ b/rsconcept/frontend/src/utils/constants.ts
@@ -20,7 +20,7 @@ export const urls = {
 };
 
 export const resources = {
-  graph_font: 'https://ey2pz3.csb.app/NotoSansSC-Regular.ttf'
+  graph_font: '/DejaVu.ttf'
 }
 
 export const prefixes = {
diff --git a/rsconcept/frontend/src/utils/models.ts b/rsconcept/frontend/src/utils/models.ts
index f09e7f1e..1ec221ae 100644
--- a/rsconcept/frontend/src/utils/models.ts
+++ b/rsconcept/frontend/src/utils/models.ts
@@ -57,7 +57,10 @@ export interface ISyntaxTreeNode {
   typeID: TokenID
   start: number
   finish: number
-  data: unknown
+  data: {
+    dataType: string,
+    value: unknown
+  }
 }
 export type SyntaxTree = ISyntaxTreeNode[]
 
diff --git a/rsconcept/frontend/src/utils/staticUI.ts b/rsconcept/frontend/src/utils/staticUI.ts
index 414fd826..e7d7add9 100644
--- a/rsconcept/frontend/src/utils/staticUI.ts
+++ b/rsconcept/frontend/src/utils/staticUI.ts
@@ -1,7 +1,7 @@
 import { LayoutTypes } from 'reagraph';
 
 import { resolveErrorClass,RSErrorClass, RSErrorType, TokenID } from './enums';
-import { CstType, ExpressionStatus, type IConstituenta, IRSErrorDescription,type IRSForm, ParsingStatus, ValueClass } from './models';
+import { CstType, ExpressionStatus, type IConstituenta, IRSErrorDescription,type IRSForm, ISyntaxTreeNode,ParsingStatus, ValueClass } from './models';
 
 export interface IRSButtonData {
   text: string
@@ -450,3 +450,80 @@ export function getRSErrorMessage(error: IRSErrorDescription): string {
   }
   return 'UNKNOWN ERROR';
 }
+
+export function getNodeLabel(node: ISyntaxTreeNode): string {
+  switch(node.typeID) {
+  case TokenID.ID_LOCAL: return node.data.value as string;
+  case TokenID.ID_GLOBAL: return node.data.value as string;
+  case TokenID.ID_FUNCTION: return node.data.value as string;
+  case TokenID.ID_PREDICATE: return node.data.value as string;
+  case TokenID.ID_RADICAL: return node.data.value as string;
+
+  case TokenID.LIT_INTEGER: return String(node.data.value as number);
+
+  case TokenID.BIGPR: return 'Pr' + (node.data.value as string[]).toString();
+  case TokenID.SMALLPR: return 'pr' + (node.data.value as string[]).toString();
+  case TokenID.FILTER: return 'Fi' + (node.data.value as string[]).toString();
+
+  case TokenID.PLUS: return '+'
+  case TokenID.MINUS: return '-'
+  case TokenID.MULTIPLY: return '*'
+  case TokenID.GREATER: return '>'
+  case TokenID.LESSER: return '<'
+
+  case TokenID.NT_TUPLE: return 'TUPLE'
+  case TokenID.NT_ENUMERATION: return 'ENUM'
+
+  case TokenID.NT_ENUM_DECL: return 'ENUM_DECLARATION'
+  case TokenID.NT_TUPLE_DECL: return 'TUPLE_DECLARATION'
+  case TokenID.PUNC_DEFINE: return 'DEFINITION'
+
+  case TokenID.NT_ARG_DECL: return 'ARG'
+  case TokenID.NT_FUNC_CALL: return 'CALL'
+  case TokenID.NT_ARGUMENTS: return 'ARGS'
+
+  case TokenID.NT_FUNC_DEFINITION: return 'FUNCTION_DEFINITION'
+  case TokenID.NT_IMP_DECLARE: return 'IDECLARE'
+  case TokenID.NT_IMP_ASSIGN: return 'IASSIGN'
+  case TokenID.NT_IMP_LOGIC: return 'ICHECK'
+
+  case TokenID.NT_RECURSIVE_SHORT: return getRSButtonData(TokenID.NT_RECURSIVE_FULL).text;
+  
+  case TokenID.BOOLEAN:
+  case TokenID.DECART:
+  case TokenID.FORALL:
+  case TokenID.EXISTS:
+  case TokenID.NOT:
+  case TokenID.AND:
+  case TokenID.OR:
+  case TokenID.IMPLICATION:
+  case TokenID.EQUIVALENT:
+  case TokenID.LIT_EMPTYSET:
+  case TokenID.LIT_INTSET:
+  case TokenID.EQUAL:
+  case TokenID.NOTEQUAL:
+  case TokenID.GREATER_OR_EQ:
+  case TokenID.LESSER_OR_EQ:
+  case TokenID.IN:
+  case TokenID.NOTIN:
+  case TokenID.SUBSET_OR_EQ:
+  case TokenID.SUBSET:
+  case TokenID.NOTSUBSET:
+  case TokenID.INTERSECTION:
+  case TokenID.UNION:
+  case TokenID.SET_MINUS:
+  case TokenID.SYMMINUS:
+  case TokenID.NT_DECLARATIVE_EXPR:
+  case TokenID.NT_IMPERATIVE_EXPR:
+  case TokenID.NT_RECURSIVE_FULL:
+  case TokenID.REDUCE:
+  case TokenID.CARD:
+  case TokenID.BOOL:
+  case TokenID.DEBOOL:
+  case TokenID.PUNC_ASSIGN:
+  case TokenID.PUNC_ITERATE:
+    return getRSButtonData(node.typeID).text;
+  }
+ // node
+  return 'UNKNOWN ' + String(node.typeID);
+}