遵循预防医学的“三级预防原则，职业性健康监护工作属于第二级预防的范畴”，它是工业卫生工作的核心内容，又是主要预防措施的中心环节，可促进一级预防工作的开展。我市开展的职业性健康监护工作正逐渐走向规范化。苯作业在我市分布行业较广，其危害仍是我市的主要职业危害 To follow the “three-level prevention principle” of preventive medicine and occupational health monitoring belongs to the category of second-level prevention, it is the core content of industrial hygiene work and the central link of major preventive measures, which can promote the development of primary prevention work . Occupational health monitoring carried out in our city is gradually standardized. Benzene operations in the city wider distribution industry, its harm is still the city’s major occupational hazards