diff --git a/paddle/fluid/pybind/eager_utils.cc b/paddle/fluid/pybind/eager_utils.cc
index 147154ae549f3eb64cf3e347aab7bee554cc4ffa..62a28868bb8dfa0b9404ddb148d8819f8d63038c 100644
--- a/paddle/fluid/pybind/eager_utils.cc
+++ b/paddle/fluid/pybind/eager_utils.cc
@@ -1289,7 +1289,7 @@ paddle::experimental::Scalar CastPyArg2Scalar(PyObject* obj,
     int64_t value = CastPyArg2Long(obj, op_type, arg_pos);
     return paddle::experimental::Scalar(value);
   } else if (PyFloat_Check(obj)) {
-    float value = CastPyArg2Float(obj, op_type, arg_pos);
+    double value = CastPyArg2Double(obj, op_type, arg_pos);
     return paddle::experimental::Scalar(value);
   } else if (IsEagerTensor(obj)) {
     paddle::experimental::Tensor& value = GetTensorFromPyObject(
diff --git a/paddle/phi/kernels/cpu/full_kernel.cc b/paddle/phi/kernels/cpu/full_kernel.cc
index ceb2312b53a0bd3ef3e118926433f9771c17259f..6571cb2ca8faa91203a0ea33fdcf0e651a735bd2 100644
--- a/paddle/phi/kernels/cpu/full_kernel.cc
+++ b/paddle/phi/kernels/cpu/full_kernel.cc
@@ -44,7 +44,7 @@ void FullLikeKernel(const Context& dev_ctx,
                     const Scalar& val,
                     DataType dtype,
                     DenseTensor* out) {
-  auto value = val.to<float>();
+  auto value = val.to<double>();
   using CommonType = typename std::common_type<
       float,
       typename std::conditional<std::is_same<T, phi::dtype::float16>::value,
diff --git a/paddle/phi/kernels/gpu/full_kernel.cu b/paddle/phi/kernels/gpu/full_kernel.cu
index 50e57a46317e35a7fc0cf1f27d496b88ffc846d3..684e9156609adeb0be27627558ab6f5ba9aca2be 100644
--- a/paddle/phi/kernels/gpu/full_kernel.cu
+++ b/paddle/phi/kernels/gpu/full_kernel.cu
@@ -60,7 +60,7 @@ void FullLikeKernel(const Context& dev_ctx,
                     const Scalar& val,
                     DataType dtype,
                     DenseTensor* out) {
-  auto value = val.to<float>();
+  auto value = val.to<double>();
   using CommonType = typename std::common_type<
       float,
       typename std::conditional<
diff --git a/paddle/phi/kernels/xpu/full_kernel.cc b/paddle/phi/kernels/xpu/full_kernel.cc
index 978bdb5129c04e53f2628aac7df6c1b4386ed0a6..c5fca8881e221e37e04af4c3d116173c790b7e76 100644
--- a/paddle/phi/kernels/xpu/full_kernel.cc
+++ b/paddle/phi/kernels/xpu/full_kernel.cc
@@ -70,7 +70,7 @@ void FullLikeKernel(const Context& dev_ctx,
                     DataType dtype,
                     DenseTensor* out) {
   dev_ctx.template Alloc<T>(out);
-  auto value = val.to<float>();
+  auto value = val.to<double>();
   using XPUInTDType = typename XPUTypeTrait<T>::Type;
   using CommonType = typename std::common_type<
       float,