“预防为主”是我国一贯倡导的卫生工作方针,在这一方针的指导下,我国的预防保健工作得以取得今天的成就。然而,企业卫生单位,由于缺乏行政干预力度,预防保健工作的开展并不十分顺利,其原因有观念、认识上的落后,也有客观条件的制约等。本文就电力企业卫生单位的特点,开展预防保健工作的重要性及思路做了简要的阐述,旨在引起人们对预防保健工作 “Prevention as the mainstay ” is the health work policy that has always been advocated by our country. Under the guidance of this guideline, China’s preventive health care work can achieve today’s success. However, due to the lack of administrative intervention, enterprise health units are not going very smoothly to prevent health care work. The reason for this is the concept, the backwardness in understanding and the restriction of objective conditions. In this paper, the characteristics of health units in power enterprises, the importance of preventive health care and ideas to do a brief exposition aimed at arousing people’s preventive health work