There are two kinds of certificates: safety engineer certificate and safety assessor certificate. The difference between them is that both safety engineers and safety assessors are professional certificates. The employment scope of safety engineers is wider, and safety assessors are mainly engaged in safety assessment. At present, the safety assessor is suspended, and the state has the intention to combine the two certificates into one. The name of the certificate after merger is registered safety engineer. Registered safety engineer refers to the professional and technical personnel who have passed the national unified examination and obtained the qualification certificate of registered safety engineer in People's Republic of China (PRC). Registered safety engineer A certain number of registered safety engineers must be equipped for the safety production management and safety engineering technical posts of the production and business operation units and the intermediary agencies that provide technical services for safety production. Authorized by the State Economic and Trade Commission, the State Administration of Work Safety is responsible for the implementation of the qualification system for registered safety engineers.

Safety assessor is a person who uses the methods and means of safety system engineering to evaluate the risks existing in the safety production of construction projects and production and business units. (1) Conduct field investigation and collect relevant information; (2) Identify and analyze the existing dangerous and harmful factors; (3) Qualitative and quantitative evaluation; (4) Put forward safety countermeasures to reduce risks according to safety production regulations and evaluation results; (5) Tracking evaluation results.