血吸虫病是严重危害人民身体健康、阻碍社会经济发展的重大传染病。近年来,我国血吸虫病疫情有所回升,对人体健康、经济发展和社会进步构成威胁。对疫区实施改厕、加强粪便的无害化处理,可以有效地切断血吸虫病的传播链,是控制血吸虫病的治本措施之一〔1〕,对从源头上控制血吸 Schistosomiasis is a major infectious disease that seriously jeopardizes people’s health and hinder social and economic development. In recent years, the epidemic of schistosomiasis has risen in China, posing a threat to human health, economic development and social progress. The implementation of latrines on the affected areas, strengthening the harmless treatment of manure, can effectively cut off the transmission chain of schistosomiasis, schistosomiasis is one of the fundamental measures to control [1], from the source control of blood-sucking