2, safety officer certificate can be engaged in civil engineering, installation and industrial, civil and other fields of safety supervision and management, while civil safety officers can only manage civil engineering, not cross-professional, cross-industry engaged in safety management.

3, construction safety personnel are divided into three categories, known as the "three types of personnel".

1) Principal responsible person of an enterprise: generally, it is an enterprise legal person or the vice president in charge of security affairs. (1)

2) Project leader: project manager. (2)

3) Safety production management personnel: full-time safety officer. Manage the safety of the construction site. (3)