The invention discloses a network element security detection method and system, and belongs to the technical field of information security. According to the method, security detection is carried out on a network element through configuration file inspection, special protocol inspection and system security inspection; detection results are output; the configuration file inspection is carried out for inspecting the security configuration file of the operating system of the network element; the special protocol inspection is carried out for inspecting the security of the special protocol of the network element; and the system security inspection is carried out for inspecting the security of the operating system of the network element. The system provided by the invention has creativity. The method provided by the invention is featured by complete information and accurate detection result and provides powerful guarantees to the information security of systems such as power and communication.