diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/ColumnDef.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/ColumnDef.java
index 559e6159916728..6207a5088af8c6 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/ColumnDef.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/ColumnDef.java
@@ -389,9 +389,15 @@ public void analyze(boolean isOlap) throws AnalysisException {
                     + "].");
         }
 
-        if (isKey() && type.getPrimitiveType() == PrimitiveType.JSONB) {
-            throw new AnalysisException("JSONB type should not be used in key column[" + getName()
-                    + "].");
+        if (type.getPrimitiveType() == PrimitiveType.JSONB
+                || type.getPrimitiveType() == PrimitiveType.VARIANT) {
+            if (isKey()) {
+                throw new AnalysisException("JSONB or VARIANT type should not be used in key column[" + getName()
+                        + "].");
+            }
+            if (defaultValue.isSet && defaultValue != DefaultValue.NULL_DEFAULT_VALUE) {
+                throw new AnalysisException("JSONB or VARIANT type column default value just support null");
+            }
         }
 
         if (type.getPrimitiveType() == PrimitiveType.MAP) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/info/ColumnDefinition.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/info/ColumnDefinition.java
index 9360f2d608a482..806aa7cd2aa232 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/info/ColumnDefinition.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/info/ColumnDefinition.java
@@ -299,6 +299,10 @@ public void validate(boolean isOlap, Set<String> keysSet, boolean isEnableMergeO
             if (defaultValue.isPresent() && defaultValue.get() != DefaultValue.NULL_DEFAULT_VALUE) {
                 throw new AnalysisException("Struct type column default value just support null");
             }
+        } else if (type.isJsonType() || type.isVariantType()) {
+            if (defaultValue.isPresent() && defaultValue.get() != DefaultValue.NULL_DEFAULT_VALUE) {
+                throw new AnalysisException("Json or Variant type column default value just support null");
+            }
         }
 
         if (!isNullable && defaultValue.isPresent()
diff --git a/regression-test/suites/schema_change_p0/test_unique_model_schema_key_change.groovy b/regression-test/suites/schema_change_p0/test_unique_model_schema_key_change.groovy
index fb6a6947dd2620..7728ceb43994eb 100644
--- a/regression-test/suites/schema_change_p0/test_unique_model_schema_key_change.groovy
+++ b/regression-test/suites/schema_change_p0/test_unique_model_schema_key_change.groovy
@@ -255,10 +255,22 @@ suite("test_unique_model_schema_key_change","p0") {
      },errorMessage)
 
 
+     //TODO Test the unique model by adding a column with JSON type none default value 
+     errorMessage="errCode = 2, detailMessage = JSONB or VARIANT type column default value just support null"
+     expectException({
+          sql initTable
+          sql initTableData
+          sql """ alter  table ${tbName} add  column   j    JSON   DEFAULT '{\"a\": 300}' AFTER username """
+          insertSql = " insert into ${tbName} values(123456689, 'Alice', '{\"k1\":\"v31\", \"k2\": 300}', 'Yaan',  25, 0, 13812345678, 'No. 123 Street, Beijing', '2022-01-01 10:00:00'); "
+          waitForSchemaChangeDone({
+               sql getTableStatusSql
+               time 60
+          }, insertSql, true,"${tbName}")
+     },errorMessage)
 
 
      //TODO Test the unique model by adding a key column with JSON
-     errorMessage="errCode = 2, detailMessage = JSONB type should not be used in key column[j]."
+     errorMessage="errCode = 2, detailMessage = JSONB or VARIANT type should not be used in key column[j]."
      expectException({
           sql initTable
           sql initTableData