对1994～1997年度莱钢各厂矿、处室中级职称及离退修人员的健康监护资料进行了整理分析。但因查体人员相对固定或离退修人员的逐渐增多，致使某些疾病发病率较高。共进行体检3802人。其中患心血管、脑血管、恶性肿瘤病人1994人，患病率为52．45％。患病率以40～50岁两个年龄组 The data of health guardianship of mid-level and middle-level titles and retired staffs in the mills of the Company from 1994 to 1997 were analyzed. However, due to the relatively fixed number of staff or retired staff gradually increased, resulting in a higher incidence of some diseases. A total of 3802 people were physically examined. Among them, there were 1994 patients with cardiovascular, cerebrovascular and malignant tumors with a prevalence of 52.45%. The prevalence of 40 to 50-year-old two age groups