本文报道在流行因素很复杂的洲垸地区，即江汉平原和洞庭湖区，选择8个村作为试区，通过查明血吸虫病流行特点，分疫源地类型优化防治对策，在提高人群和家畜化疗针对性的同时，因地制宜结合水利与农业工程改造疫源地环境。经连续多年观察，6个试区已达到控制流行的目标，2个试区居民感染率下降了63．78％以上。 This paper reports that in the embankment areas with very complicated epidemic factors, that is, the Jianghan Plain and Dongting Lake, 8 villages were selected as the pilot areas. By identifying the epidemic characteristics of schistosomiasis and optimizing the control strategies of the types and sources of the epidemic, Targeted at the same time, according to local conditions combined with water conservancy and agricultural engineering to transform the environment. After many years of continuous observation, six pilot districts have reached the goal of controlling epidemic. The infection rate of residents in two pilot districts has dropped by more than 63.78%.