As a new type of evidence,electronic data has already been writen into the revised criminal procedure law and civil procedure law.But correspingding identified rules about electronic data have not been clearly clarified.When putting＂original carrier says＂into a high position while identifing electronic data,our country meets a lot of problems at the same time.Through analysis and learnning theories from the original electronic data identification theory in foreign countries,integrating the disordered systerm about identifination of electronic data to build legislation thinking and improving regulation about identifination of electronic data are now very necessary in recent years.