2. Occupational health: for the purpose of prevention, according to the workers' occupational contact history, through regular or irregular medical health examination and collection of health-related materials, the health status of workers is continuously monitored, the relationship between workers' health changes and the occupational hazards they are exposed to is analyzed, and the results of health examination and data analysis are reported to employers and workers themselves in time, so as to take timely intervention measures to protect workers' health. Occupational health monitoring mainly includes occupational health examination and occupational health monitoring file management. Occupational health examination includes medical follow-up and emergency health examination before, during and after taking up the post:
4. 1. 1 Early detection of occupational diseases, occupational health damage and occupational contraindications;
4. 1.2 Follow up and observe the occurrence, development and distribution of occupational diseases and occupational health injuries;
4. 1.3 Evaluate the relationship and degree between occupational health damage and occupational disease hazard factors in the working environment;
4. 1.4 Identify new occupational hazard factors and high-risk groups;
4. 1.5 Carry out targeted interventions, including improving working environment, reforming production technology, adopting effective protective facilities and personal protective equipment, and handling and resettling patients with occupational diseases and persons suspected of occupational diseases and occupational taboos;
4. 1.6 Evaluate the effect of prevention and intervention measures;
4. 1.7 serves to formulate or revise health policies and occupational disease prevention and control countermeasures.