为全面了解我市基层医疗单位Ｘ射线机的影像质量性能和防护情况 ,解决放射诊断中存在的放射卫生防护问题 ,我们对 62家基层医疗单位的Ｘ射线机进行了质量控制和防护监测。1　基本情况62家基层医疗单位分布在我市的三县一区 ,其中 5 8家为乡、镇卫生院 ,4家为结核病防治站、妇幼 In order to comprehensively understand the image quality performance and protection of X-ray machines in basic medical units in our city, and to solve the radiation protection problems in radiation diagnosis, we conducted quality control and protection monitoring of X-ray machines in 62 primary medical units. 1 Basic situation 62 grass-roots medical units are distributed in three counties and one district of the city, of which 58 are township and township hospitals, 4 are tuberculosis prevention and treatment stations, and women and children.