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本文以计量流行病学方法对云南大山区血吸虫病的防治对策作分组定量研究，用经济效益分析法对几种防治方案进行分析评价。结果表明，采取人畜普遍化疗加重点环境灭螺杀蚴及健康教育的防治对策奏效迅速，效果显著。实施这一对策４年后，居民感染率由２４．９％降至０．２％，家畜感染率降为０，儿童无新感染，查不到阳性钉螺，水体测定无感染性。经济效益评价表明此对策费用较低。实施这一对策能够迅速控制血吸虫病流行和阻断传播，但应加强巩固工作。
In this paper, quantitative epidemiological methods for the prevention and treatment of schistosomiasis in Dashan District of Yunnan quantitative and quantitative analysis of the use of economic benefits analysis of several prevention and control programs were evaluated. The results show that the use of common human and animal husbandry to increase environmental stress kill spirulina and health education prevention and treatment measures with rapid success, the effect is significant. Four years after the implementation of this measure, the infection rate of residents dropped from 24.9% to 0.2%, the infection rate of livestock dropped to 0, no new infection was found in children, no positive snails were found, and the water bodies were non-infectious. Economic evaluation shows that the cost of this strategy is low. The implementation of this response can quickly control the spread of schistosomiasis and block transmission, but consolidation efforts should be strengthened.