diff --git a/mindspore/ccsrc/frontend/operator/cc_implementations.cc b/mindspore/ccsrc/frontend/operator/cc_implementations.cc
index 3f91632c799..e8e32afb694 100644
--- a/mindspore/ccsrc/frontend/operator/cc_implementations.cc
+++ b/mindspore/ccsrc/frontend/operator/cc_implementations.cc
@@ -140,7 +140,7 @@ T InnerScalarPow(T x, U y) {
 template <typename T, typename U>
 bool InnerScalarEq(T x, U y) {
   if (std::isinf(static_cast<double>(x)) && std::isinf(static_cast<double>(y))) {
-    return true;
+    return (x > 0 && y > 0) || (x < 0 && y < 0);
   }
   double error = static_cast<double>(x) - static_cast<double>(y);
   error = fabs(error);
diff --git a/tests/ut/python/graph_syntax/operators/test_operator.py b/tests/ut/python/graph_syntax/operators/test_operator.py
index 9353cdfee2c..2b2447d3ec8 100644
--- a/tests/ut/python/graph_syntax/operators/test_operator.py
+++ b/tests/ut/python/graph_syntax/operators/test_operator.py
@@ -212,8 +212,10 @@ def test_equal_inf():
     Expectation: success
     """
     @ms.jit
-    def func(x):
-        return x == float("inf")
+    def func(x, y):
+        return x == float("inf"), y == float("-inf"), x == y
 
     x = float("inf")
-    assert func(x)
+    y = float("-inf")
+    out = func(x, y)
+    assert out == (True, True, False)