diff --git a/scripts/show_cfg.py b/scripts/show_cfg.py
new file mode 100644
index 000000000..ce879ca2f
--- /dev/null
+++ b/scripts/show_cfg.py
@@ -0,0 +1,242 @@
+#! /usr/bin/env python
+#to use this ,you have to put the CFG_pb2.py file,which from the  mcsema/tools/mcsema_disass/ida7/ ,into the same dir with this script
+# type  python show_cfg.py "xxx.cfg" "xxx.txt" 
+# the first arg is location of the cfg file you want to see,like "./maze.cfg"
+# the second arg is the location of the generated cfg details if the cfg file,like "./cfgdetails.txt"
+from sys import argv
+import CFG_pb2
+
+def ListModule(module,g):
+  print("module name:",module.name,file=g)
+  print('\n',file=g)
+
+  #Function
+  print("The Functions in the Module:",file=g)
+  print('\n',file=g)
+  for function in module.funcs:
+    print("###########################################################",file=g)
+    print("function name :", function.name,file=g)
+    print("function ea :", function.ea,file=g)
+    print("function is_entrypoint :", function.is_entrypoint,file=g)
+    print("The blocks in the function:",file=g)
+    print('\n',file=g)
+
+    #The blocks in the Function
+    for block in function.blocks:
+      print("---------------------------------------------------------",file=g)
+      print("block ea",block.ea,file=g)
+      print("block is_referenced_by_data",block.is_referenced_by_data,file=g)
+      print("The instructions in the block:",file=g)
+      print('\n',file=g)
+
+      #The Instruction in the Block
+      for instruction in block.instructions:
+        print("instruction ea",instruction.ea,file=g)
+        print("instruction lp_ea",instruction.lp_ea,file=g)
+        print("The  codereferences of the instruction:",file=g)
+        print('\n',file=g)
+
+        #The CodeReference of the Instruction
+        for codereference in instruction.xrefs:
+          if codereference.operand_type == CFG_pb2.CodeReference.OperandType.ImmediateOperand:
+            print("codereference operand_type ImmediateOperand",file=g)
+          elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.MemoryOperand:
+            print("codereference operand_type MemoryOperand",file=g)
+          elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.MemoryDisplacementOperand:
+            print("codereference operand_type MemoryDisplacementOperand",file=g)
+          elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.ControlFlowOperand:
+            print("codereference operand_type ControlFlowOperand",file=g)
+          elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.OffsetTable:
+            print("codereference operand_type OffsetTable",file=g)  
+
+          print("codereference ea",codereference.ea,file=g)
+          print("codereference mask",codereference.mask,file=g)
+        print('\n',file=g)
+
+      #The successor in the block 
+      for successor in block.successor_eas:
+        print("successor ea",successor,file=g)
+      print("---------------------------------------------------------",file=g)
+      print('\n',file=g)
+
+    #The ExceptionFrame of the Function
+    print("The exceptionframes in the Function:",file=g)
+    print('\n',file=g)
+    for exceptionframe in function.eh_frame:
+      print("exceptionframe func_ea",exceptionframe.func_ea,file=g)
+      print("exceptionframe start_ea",exceptionframe.start_ea,file=g)
+      print("exceptionframe end_ea",exceptionframe.end_ea,file=g)
+      print("exceptionframe lp_eaa",exceptionframe.lp_ea,file=g)
+      if exceptionframe.action == CFG_pb2.ExceptionFrame.Action.Cleanup:
+        print("exceptionframe action Cleanup",file=g)
+      elif exceptionframe.action == CFG_pb2.ExceptionFrame.Action.Catch:
+        print("exceptionframe action Catch",file=g)
+
+      #The ExternalVariable of the ExceptionFrame
+      print("The externalvariables in the ExceptionFrame:",file=g)
+      print('\n',file=g)
+      for externalvariable in function.ttype:
+        print("externalvariable name",externalvariable.name,file=g)
+        print("externalvariable ea",externalvariable.ea,file=g)
+        print("externalvariable size",externalvariable.size,file=g)
+        print("externalvariable is_weak",externalvariable.is_weak,file=g)
+        print("externalvariable is_thread_local",externalvariable.is_thread_local,file=g)
+        print('\n',file=g)
+      print('\n',file=g)
+    print("FunctionDecl",function.decl,file=g)
+    print("###########################################################",file=g)  
+    print('\n',file=g)
+  print("The Segments in the module:",file=g)
+  print('\n',file=g)
+
+
+  #Segments in the Module
+  for segment in module.segments:
+    print("###########################################################",file=g) 
+    print("segment ea :", segment.ea,file=g)
+    print("segment data :", segment.data.hex(),file=g)
+    print("segment read_only :", segment.read_only,file=g)
+    print("segment is_external :", segment.is_external,file=g)
+    print("segment name :", segment.name,file=g)
+    print("segment variable_name :", segment.variable_name,file=g)
+    print("segment is_exported :", segment.is_exported,file=g)
+    print("segment is_thread_local :", segment.is_thread_local,file=g)
+
+    #Datareferences of the Segment
+    print("The datareferences in the Segment:",file=g)
+    print('\n',file=g)
+    for datareference in segment.xrefs:
+      print("datareference ea",datareference.ea,file=g)
+      print("datareference width",datareference.width,file=g)
+      print("datareference target_ea",datareference.target_ea,file=g)
+      if datareference.target_fixup_kind == CFG_pb2.DataReference.TargetFixupKind.Absolute:
+       print("datareference target_fixup_kind  Absolute",file=g)
+      elif datareference.target_fixup_kind == CFG_pb2.DataReference.TargetFixupKind.OffsetFromThreadBase:
+       print("datareference target_fixup_kind  OffsetFromThreadBase",file=g)
+      print('\n',file=g)
+
+     #Variables in the Segment 
+    print("The variables in the Segment:",file=g)
+    print('\n',file=g)
+    for variable in segment.vars:
+      print("variable ea",variable.ea,file=g)
+      print("variable name",variable.name,file=g)
+      print('\n',file=g)
+    print("###########################################################",file=g) 
+    print('\n',file=g)
+
+
+    #The ExternalFunctions in the Module
+  print("The ExternalFunctions in the Module:",file=g)
+  print('\n',file=g)
+  for externalfunction in module.external_funcs:
+    print("###########################################################",file=g) 
+    print("externalfunction ea :", externalfunction.ea,file=g)
+    print("externalfunction name :", externalfunction.name,file=g)
+    print("externalfunction has_return :", externalfunction.has_return,file=g)
+    print("externalfunction no_return :", externalfunction.no_return,file=g)
+    print("externalfunction argument_count :", externalfunction.argument_count,file=g)
+    print("externalfunction is_weak :", externalfunction.is_weak,file=g)
+    print("externalfunction FunctionDecl :", externalfunction.decl,file=g)
+    if externalfunction.cc == CFG_pb2.ExternalFunction.CallingConvention.CallerCleanup:
+      print("externalfunction CallingConvention  CallerCleanup",file=g)
+    elif externalfunction.cc == CFG_pb2.ExternalFunction.CallingConvention.CalleeCleanup:
+      print("externalfunction CallingConvention  CalleeCleanup",file=g)
+    elif externalfunction.cc == CFG_pb2.ExternalFunction.CallingConvention.FastCall:
+      print("externalfunction CallingConvention  FastCall",file=g)
+    print("###########################################################",file=g) 
+    print('\n',file=g)
+
+
+
+
+     #The ExternalVariable  in the Module
+  print("The ExternalVariable  in the Module:",file=g)
+  print('\n',file=g)
+  for externalvariable in module.external_vars:
+    print("###########################################################",file=g) 
+    print("externalvariable name :", externalvariable.name,file=g)
+    print("externalvariable ea :", externalvariable.ea,file=g)
+    print("externalvariable size :", externalvariable.size,file=g)
+    print("externalvariable is_weak :", externalvariable.is_weak,file=g)
+    print("externalvariable is_thread_local :", externalvariable.is_thread_local,file=g)
+    print("###########################################################",file=g) 
+    print('\n',file=g)
+
+
+
+     #The GlobalVariable   in the Module 
+  print("The GlobalVariable   in the Module:",file=g)
+  print('\n',file=g)
+  for globalvariable  in module.global_vars:
+    print("###########################################################",file=g) 
+    print("globalvariable ea :", externalvariable.ea,file=g)
+    print("globalvariable name :", externalvariable.name,file=g)
+    print("globalvariable size :", externalvariable.size,file=g)
+    print("###########################################################",file=g) 
+    print('\n',file=g)
+
+
+
+     #The PreservedRegister   in the Module
+  print("The PreservedRegister   in the Module:",file=g)
+  print('\n',file=g)
+  for preservedregister  in module.preserved_regs:
+    print("###########################################################",file=g) 
+    print("preservedregister registers :", preservedregister.registers,file=g)
+    #The PreservationRange in the PreservedRegister
+    print("The PreservationRange in the PreservedRegister:",file=g)
+    print('\n',file=g)
+    for preservationrange in preservedregister.ranges:
+      print("preservationrange begin_ea",preservationrange.begin_ea,file=g)
+      print("preservationrange end_ea",preservationrange.end_ea,file=g)
+    print("###########################################################",file=g) 
+    print('\n',file=g)
+
+
+
+    #The DeadRegisters   in the Module 
+  print("The DeadRegisters   in the Module:",file=g)
+  print('\n',file=g)
+  for deadregister  in module.dead_regs:
+    print("###########################################################",file=g) 
+    print("deadregister registers :", deadregister.registers,file=g)
+    #The PreservationRange in the DeadRegister
+    print("The PreservationRange in the DeadRegister:",file=g)
+    print('\n',file=g)
+    for dpreservationrange in deadregister.ranges:
+      print("dpreservationrange begin_ea",dpreservationrange.begin_ea,file=g)
+      print("dpreservationrange end_ea",dpreservationrange.end_ea,file=g)
+    print("###########################################################",file=g) 
+    print('\n',file=g)
+  
+  
+
+
+
+
+
+ 
+
+
+def read_test():
+    module=CFG_pb2.Module()
+    first = argv[1]
+    module_file = first
+    
+    
+    f = open(module_file, "rb")
+    module.ParseFromString(f.read())
+    f.close()
+    second = argv[2]
+    g = open(second,'w')
+    ListModule(module,g)
+    g.close()
+
+
+if __name__ == "__main__":
+    read_test()
+
+
+
+