diff --git a/sqlTranslate/.idea/workspace.xml b/sqlTranslate/.idea/workspace.xml
index d1a371135..664b0258e 100644
--- a/sqlTranslate/.idea/workspace.xml
+++ b/sqlTranslate/.idea/workspace.xml
@@ -4,9 +4,8 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="add IF ELSIF">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/Document/Todolist" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Document/Todolist" afterDir="false" />
+    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="add Loop keywords">
+      <change beforePath="$PROJECT_DIR$/src/main/java/Parser/OracleParser.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Parser/OracleParser.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -104,20 +103,6 @@
       <option name="presentableId" value="Default" />
       <updated>1723106789329</updated>
     </task>
-    <task id="LOCAL-00020" summary="finish the framework of sqltranslate (createTab sql is now being supported!)">
-      <created>1724511620952</created>
-      <option name="number" value="00020" />
-      <option name="presentableId" value="LOCAL-00020" />
-      <option name="project" value="LOCAL" />
-      <updated>1724511620952</updated>
-    </task>
-    <task id="LOCAL-00021" summary="add insert sql">
-      <created>1725117071687</created>
-      <option name="number" value="00021" />
-      <option name="presentableId" value="LOCAL-00021" />
-      <option name="project" value="LOCAL" />
-      <updated>1725117071687</updated>
-    </task>
     <task id="LOCAL-00022" summary="add insert sql">
       <created>1725885115923</created>
       <option name="number" value="00022" />
@@ -447,7 +432,21 @@
       <option name="project" value="LOCAL" />
       <updated>1726298762627</updated>
     </task>
-    <option name="localTasksCounter" value="69" />
+    <task id="LOCAL-00069" summary="add Loop document">
+      <created>1726315007495</created>
+      <option name="number" value="00069" />
+      <option name="presentableId" value="LOCAL-00069" />
+      <option name="project" value="LOCAL" />
+      <updated>1726315007495</updated>
+    </task>
+    <task id="LOCAL-00070" summary="add Loop keywords">
+      <created>1726315219011</created>
+      <option name="number" value="00070" />
+      <option name="presentableId" value="LOCAL-00070" />
+      <option name="project" value="LOCAL" />
+      <updated>1726315219011</updated>
+    </task>
+    <option name="localTasksCounter" value="71" />
     <servers />
   </component>
   <component name="Vcs.Log.Tabs.Properties">
@@ -462,8 +461,6 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value="add join pattern" />
-    <MESSAGE value="add join class" />
     <MESSAGE value="add join" />
     <MESSAGE value="add join convert rule" />
     <MESSAGE value="refractor" />
@@ -487,7 +484,9 @@
     <MESSAGE value="add if elseif else endif document" />
     <MESSAGE value="add if elseif else endif ast classes" />
     <MESSAGE value="add IF ELSIF" />
-    <option name="LAST_COMMIT_MESSAGE" value="add IF ELSIF" />
+    <MESSAGE value="add Loop document" />
+    <MESSAGE value="add Loop keywords" />
+    <option name="LAST_COMMIT_MESSAGE" value="add Loop keywords" />
   </component>
   <component name="XDebuggerManager">
     <watches-manager>
diff --git a/sqlTranslate/src/main/java/Parser/AST/Loop/ForNode.java b/sqlTranslate/src/main/java/Parser/AST/Loop/ForNode.java
new file mode 100644
index 000000000..c70d1ac3b
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Loop/ForNode.java
@@ -0,0 +1,33 @@
+package Parser.AST.Loop;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ForNode extends ASTNode {
+    public ForNode() {
+        super();
+        setTokens(new ArrayList<>());
+    }
+
+    public ForNode(ASTNode node) {
+        super(node);
+        setTokens(new ArrayList<>());
+    }
+
+    public ForNode(List<Token> tokens) {
+        super(tokens);
+        setTokens(new ArrayList<>());
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Loop/LoopBodyNode.java b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopBodyNode.java
new file mode 100644
index 000000000..84140970f
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopBodyNode.java
@@ -0,0 +1,33 @@
+package Parser.AST.Loop;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LoopBodyNode extends ASTNode {
+    public LoopBodyNode() {
+        super();
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopBodyNode(ASTNode node) {
+        super(node);
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopBodyNode(List<Token> tokens) {
+        super(tokens);
+        setTokens(new ArrayList<>());
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Loop/LoopEndNode.java b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopEndNode.java
new file mode 100644
index 000000000..895b5a2a1
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopEndNode.java
@@ -0,0 +1,33 @@
+package Parser.AST.Loop;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LoopEndNode extends ASTNode {
+    public LoopEndNode() {
+        super();
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopEndNode(ASTNode node) {
+        super(node);
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopEndNode(List<Token> tokens) {
+        super(tokens);
+        setTokens(new ArrayList<>());
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString());
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Loop/LoopExitNode.java b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopExitNode.java
new file mode 100644
index 000000000..76f105c74
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopExitNode.java
@@ -0,0 +1,33 @@
+package Parser.AST.Loop;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LoopExitNode extends ASTNode {
+    public LoopExitNode() {
+        super();
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopExitNode(ASTNode node) {
+        super(node);
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopExitNode(List<Token> tokens) {
+        super(tokens);
+        setTokens(new ArrayList<>());
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Loop/LoopNode.java b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopNode.java
new file mode 100644
index 000000000..128005399
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Loop/LoopNode.java
@@ -0,0 +1,33 @@
+package Parser.AST.Loop;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LoopNode extends ASTNode {
+    public LoopNode() {
+        super();
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopNode(ASTNode node) {
+        super(node);
+        setTokens(new ArrayList<>());
+    }
+
+    public LoopNode(List<Token> tokens) {
+        super(tokens);
+        setTokens(new ArrayList<>());
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Loop/WhileNode.java b/sqlTranslate/src/main/java/Parser/AST/Loop/WhileNode.java
new file mode 100644
index 000000000..d4e4a775e
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Loop/WhileNode.java
@@ -0,0 +1,33 @@
+package Parser.AST.Loop;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class WhileNode extends ASTNode {
+    public WhileNode() {
+        super();
+        setTokens(new ArrayList<>());
+    }
+
+    public WhileNode(ASTNode node) {
+        super(node);
+        setTokens(new ArrayList<>());
+    }
+
+    public WhileNode(List<Token> tokens) {
+        super(tokens);
+        setTokens(new ArrayList<>());
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString());
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/OracleParser.java b/sqlTranslate/src/main/java/Parser/OracleParser.java
index d94c5f5ad..d83c3feaf 100644
--- a/sqlTranslate/src/main/java/Parser/OracleParser.java
+++ b/sqlTranslate/src/main/java/Parser/OracleParser.java
@@ -65,7 +65,14 @@ public class OracleParser {
                             || (lexer.getTokens().get(0).getValue().equalsIgnoreCase("CREATE") && lexer.getTokens().get(1).getValue().equalsIgnoreCase("VIEW"))
             ) {
                 return parseCreateView(lexer.getTokens());
-            } else {
+            } else if (
+                    lexer.getTokens().get(0).getValue().equalsIgnoreCase("FOR")
+                    || lexer.getTokens().get(0).getValue().equalsIgnoreCase("LOOP")
+                    || lexer.getTokens().get(0).getValue().equalsIgnoreCase("WHILE")
+            ) {
+                return parseLoop(lexer.getTokens());
+            }
+            else {
                 try {
                     throw new ParseFailedException("Parse failed!--Unsupport SQL:" + lexer.getTokens().get(0).getValue());
                 } catch (ParseFailedException e) {
@@ -724,6 +731,27 @@ public class OracleParser {
         return root;
     }
 
+    /**
+     * Loop_clauses
+     * 1:LOOP
+     *     --
+     *     EXIT WHEN condition;
+     * END LOOP;
+     *
+     * 2:WHILE condition LOOP
+     *     --
+     * END LOOP;
+     *
+     * 3:FOR counter IN start..stop LOOP
+     *     --
+     * END LOOP;
+     *
+     * @param parseTokens should start with LOOP | WHILE | FOR
+     */
+    public static ASTNode parseLoop(List<Token> parseTokens) {
+        return null;
+    }
+
     /**
      * JOIN clause
      * For example: table1 t1 JOIN table2 t2 ON|USING t1.id = t2.id