目的明确2002～2005年疾病预防控制机构工作用房结构变化情况分析。方法全国系统抽样调查省市县各级疾病预防控制机构的各类工作用房面积,计算构成比,和建议标准进行比较。结果疾病预防控制机构工作用房结构有所优化,2005年实验室用房所占比例比2002年,省级增加了4·0%,县级增加了3·2%,市级增加了2·4%,但行政用房等仍占有较大比例的面积。 Objective To analyze the structural changes of working houses in disease prevention and control institutions from 2002 to 2005. Methods The national system sample surveys the area of ​​various types of work houses of the disease prevention and control institutions at the provincial, city, and county levels, calculated composition ratios, and compared the proposed standards. As a result, the structure of working houses in the disease prevention and control institutions has been optimized. In 2005, the proportion of laboratory houses increased by 4.0% at the provincial level compared with 2002, increased by 3.2% at the county level, and increased by 2 at the municipal level. 4%, but administrative buildings still occupy a large proportion of the area.