System file identification method and system

An embodiment of the invention discloses a system file identification method and system and relates to the computer security technical field. The system file identification method and system aims at improving the accuracy on the identification of system files. The System file identification method comprises extracting file characteristics of a target file to be identified; performing accurate matching identification on the file characteristics of the target file through a system file accurate matching characteristic library; performing fuzzy matching identification on the file characteristics of the target file through a system file fuzzy matching characteristic library; outputting an identification result according to the accurate matching identification and the fuzzy matching identification. The system file identification method and system is suitable for occasions of the identification on the system files.