diff --git a/mindinsight/mindconverter/graph_based_converter/third_party_graph/onnx_utils.py b/mindinsight/mindconverter/graph_based_converter/third_party_graph/onnx_utils.py
index cd7acaae..f5ecba40 100644
--- a/mindinsight/mindconverter/graph_based_converter/third_party_graph/onnx_utils.py
+++ b/mindinsight/mindconverter/graph_based_converter/third_party_graph/onnx_utils.py
@@ -28,7 +28,7 @@ from mindinsight.mindconverter.graph_based_converter.third_party_graph.optimizer
 
 from mindinsight.mindconverter.graph_based_converter.constant import ONNX_TYPE_INT, ONNX_TYPE_INTS, ONNX_TYPE_STRING, \
     ONNX_TYPE_FLOATS, ONNX_TYPE_FLOAT, SCALAR_WITHOUT_SHAPE, DYNAMIC_SHAPE, UNKNOWN_DIM_VAL
-from mindinsight.mindconverter.common.exceptions import GraphInitError
+from mindinsight.mindconverter.common.exceptions import GraphInitError, ModelLoadingError
 
 
 def convert_tf_graph_to_onnx(model_path, model_inputs, model_outputs, opset=12):
@@ -287,6 +287,9 @@ class OnnxDataLoader:
         self.dynamic_reshape_node = list()
         self.eliminated_nodes = list()
 
+        # Validate init params
+        self._check_user_provided_info()
+
         self.initialize()
 
     @property
@@ -510,6 +513,17 @@ class OnnxDataLoader:
         self._global_context.onnx_graph_info['graph_inputs'] = self.input_nodes.keys()
         self._global_context.onnx_graph_info['graph_outputs'] = graph_outputs
 
+    def _check_user_provided_info(self):
+        """Validate user input and output node."""
+        graph_inputs = [inp.name for inp in self.graph.input]
+        graph_outputs = [out.name for out in self.graph.output]
+        for output_node in self.output_nodes:
+            if output_node not in graph_outputs:
+                raise ModelLoadingError(f"Unexpected Node {output_node} detected which should not be a graph output.")
+        for graph_inp in graph_inputs:
+            if graph_inp not in self.input_nodes.keys():
+                raise ModelLoadingError(f"{graph_inp} is one of the graph inputs but user does not provide it.")
+
     def initialize(self):
         """Initialize the OnnxDataLoader."""