diff --git a/parser/ast.go b/parser/ast.go
index 750d8e8..4f5ec64 100644
--- a/parser/ast.go
+++ b/parser/ast.go
@@ -3960,7 +3960,9 @@ func (p *PrivilegeExpr) String(level int) string {
 		}
 		builder.WriteString(keyword)
 	}
-	builder.WriteString(p.Params.String(level))
+	if p.Params != nil {
+		builder.WriteString(p.Params.String(level))
+	}
 	return builder.String()
 }
 
diff --git a/parser/parse_system.go b/parser/parse_system.go
index fd5605c..f02cb2b 100644
--- a/parser/parse_system.go
+++ b/parser/parse_system.go
@@ -805,6 +805,11 @@ func (p *Parser) parsePrivilege(pos Pos) (*PrivilegeExpr, error) {
 		return p.parsePrivilegeDrop(pos)
 	case p.tryConsumeKeyword(KeywordShow) != nil:
 		return p.parsePrivilegeShow(pos)
+	case p.tryConsumeKeyword(KeywordAll) != nil:
+		return &PrivilegeExpr{
+			PrivilegePos: pos,
+			Keywords:     []string{KeywordAll},
+		}, nil
 	case p.tryConsumeKeyword(KeywordKill) != nil:
 		if err := p.consumeKeyword(KeywordQuery); err != nil {
 			return nil, err
diff --git a/parser/testdata/ddl/format/grant_privilege.sql b/parser/testdata/ddl/format/grant_privilege.sql
index ead60c3..3dc89d7 100644
--- a/parser/testdata/ddl/format/grant_privilege.sql
+++ b/parser/testdata/ddl/format/grant_privilege.sql
@@ -6,6 +6,7 @@ GRANT SELECT(x,y) ON *.table TO john;
 GRANT SELECT(x,y) ON *.* TO john;
 GRANT SELECT(x,y) ON *.table TO CURRENT_USER;
 GRANT SELECT(x,y) ON *.table TO CURRENT_USER,john,mary;
+GRANT ALL ON *.* TO admin_role WITH GRANT OPTION;
 
 
 -- Format SQL:
@@ -16,3 +17,4 @@ GRANT SELECT(x, y) ON *.table TO john;
 GRANT SELECT(x, y) ON *.* TO john;
 GRANT SELECT(x, y) ON *.table TO CURRENT_USER;
 GRANT SELECT(x, y) ON *.table TO CURRENT_USER, john, mary;
+GRANT ALL ON *.* TO admin_role WITH GRANT OPTION;
diff --git a/parser/testdata/ddl/grant_privilege.sql b/parser/testdata/ddl/grant_privilege.sql
index 1efb19a..c11772c 100644
--- a/parser/testdata/ddl/grant_privilege.sql
+++ b/parser/testdata/ddl/grant_privilege.sql
@@ -5,3 +5,4 @@ GRANT SELECT(x,y) ON *.table TO john;
 GRANT SELECT(x,y) ON *.* TO john;
 GRANT SELECT(x,y) ON *.table TO CURRENT_USER;
 GRANT SELECT(x,y) ON *.table TO CURRENT_USER,john,mary;
+GRANT ALL ON *.* TO admin_role WITH GRANT OPTION;
diff --git a/parser/testdata/ddl/output/grant_privilege.sql.golden.json b/parser/testdata/ddl/output/grant_privilege.sql.golden.json
index def3834..4d3d4d5 100644
--- a/parser/testdata/ddl/output/grant_privilege.sql.golden.json
+++ b/parser/testdata/ddl/output/grant_privilege.sql.golden.json
@@ -440,5 +440,45 @@
       }
     ],
     "WithOptions": []
+  },
+  {
+    "GrantPos": 323,
+    "StatementEnd": 372,
+    "OnCluster": null,
+    "Privileges": [
+      {
+        "PrivilegePos": 329,
+        "PrivilegeEnd": 0,
+        "Keywords": [
+          "ALL"
+        ],
+        "Params": null
+      }
+    ],
+    "On": {
+      "Database": {
+        "Name": "*",
+        "Unquoted": false,
+        "NamePos": 336,
+        "NameEnd": 337
+      },
+      "Table": {
+        "Name": "*",
+        "Unquoted": false,
+        "NamePos": 338,
+        "NameEnd": 339
+      }
+    },
+    "To": [
+      {
+        "Name": "admin_role",
+        "Unquoted": false,
+        "NamePos": 343,
+        "NameEnd": 353
+      }
+    ],
+    "WithOptions": [
+      "GRANT"
+    ]
   }
 ]
\ No newline at end of file