diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/NumericLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/NumericLiteral.java
index 802721b15b36db..652fa876247966 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/NumericLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/NumericLiteral.java
@@ -65,7 +65,10 @@ public int compareTo(ComparableLiteral other) {
                     || other instanceof DecimalLiteral || other instanceof DecimalV3Literal) {
                 return this.getBigDecimalValue().compareTo(((NumericLiteral) other).getBigDecimalValue());
             }
-            return Double.compare(this.getDouble(), ((Literal) other).getDouble());
+            double left = this.getDouble();
+            double right = ((Literal) other).getDouble();
+            // SQL treats signed zeros as equal, while Double.compare distinguishes them.
+            return left == right ? 0 : Double.compare(left, right);
         }
         if (other instanceof NullLiteral) {
             return 1;
diff --git a/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/FoldConstantTest.java b/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/FoldConstantTest.java
index cdcab9efc177c4..ddd4e92b40301e 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/FoldConstantTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/FoldConstantTest.java
@@ -142,6 +142,26 @@
 
 class FoldConstantTest extends ExpressionRewriteTestHelper {
 
+    @Test
+    void testSignedZeroComparisonFold() {
+        executor = new ExpressionRuleExecutor(ImmutableList.of(
+                bottomUp(FoldConstantRuleOnFE.VISITOR_INSTANCE)
+        ));
+        for (String type : ImmutableList.of("float", "double")) {
+            for (String zero : ImmutableList.of("0.0", "-0.0")) {
+                String left = "cast('" + zero + "' as " + type + ")";
+                String right = "cast('" + (zero.equals("0.0") ? "-0.0" : "0.0") + "' as " + type + ")";
+                assertRewriteAfterTypeCoercion(left + " = " + right, "true");
+                assertRewriteAfterTypeCoercion(left + " <=> " + right, "true");
+                assertRewriteAfterTypeCoercion(left + " != " + right, "false");
+                assertRewriteAfterTypeCoercion(left + " < " + right, "false");
+                assertRewriteAfterTypeCoercion(left + " > " + right, "false");
+                assertRewriteAfterTypeCoercion(left + " <= " + right, "true");
+                assertRewriteAfterTypeCoercion(left + " >= " + right, "true");
+            }
+        }
+    }
+
     @Test
     void testCaseWhenFold() {
         executor = new ExpressionRuleExecutor(ImmutableList.of(