为了解沈阳市私营企业劳动卫生现状及职业卫生需求 ,为制定防治规划提供科学依据 ,调查了 616家私营企业 ,摸清了现存的主要问题 ,并提出了相应的措施与对策。 In order to understand the status quo of labor hygiene and occupational health needs of private enterprises in Shenyang City and provide scientific evidence for the development of prevention and control plans, 616 private enterprises were investigated to find out the major existing problems and put forward corresponding measures and countermeasures.