At present, the safety skill certificates include the certificates of safety technology supervisor, safety project manager and safety system engineer, which are issued by the National Network and Information Technology Training and Examination Management Center of the Ministry of Industry and Information Technology, and students can only obtain them after training and passing the examination. Electronic registration of certificates can be inquired in official website and used nationwide. Obtaining a vocational and technical certificate proves that the holder has the theoretical basis and application ability required by relevant professional and technical posts, and the relevant information of the holder has been entered into the national information technology talent database.