diff --git a/java/common/src/main/java/org/apache/tsfile/enums/TSDataType.java b/java/common/src/main/java/org/apache/tsfile/enums/TSDataType.java
index 226c2e099..e4ffc6b1b 100644
--- a/java/common/src/main/java/org/apache/tsfile/enums/TSDataType.java
+++ b/java/common/src/main/java/org/apache/tsfile/enums/TSDataType.java
@@ -223,4 +223,8 @@ public boolean isComparable() {
         throw new UnSupportedDataTypeException(this.toString());
     }
   }
+
+  public boolean isBinary() {
+    return this == TEXT || this == STRING || this == BLOB;
+  }
 }