This standard specifies the classification of various main dangerous and harmful factors in the process of painting operations, and applies to the prediction and prevention of dangerous factors, the statistics of accident casualties and computer management, as well as the processing and exchange of painting occupational health and safety information. The normative reference documents include the necessary safety standards and procedures. The distinction between dangerous factors and harmful factors is made clear in terms and definitions. The former refers to sudden damage to people and things, and the latter refers to chronic damage to people's physical and mental health and things. Physical hazards and harmful factors include defects in equipment and facilities, such as insufficient strength of equipment, poor sealing, etc., which need to be strictly controlled to ensure the safety of painting operations.