[引言 ]日本血吸虫病是威胁着我国江湖地带人民健康的严重寄生虫病。新中国诞生以来 ,党和政府十分重视其防治工作 ,并已取得举世瞩目的成就。但因它是一种自然疫源性疾病 ,有其特定的传播生态条件 ,自然界的钉螺及染虫的野生小型哺乳动物及家畜 ,都可以成为日本血吸虫中间宿主 [Introduction] Schistosomiasis japonica is a serious parasitic disease that threatens the health of people in all corners of the country. Since the founding of new China, the party and government attach great importance to its prevention and control work and have achieved remarkable achievements in the world. However, because it is a natural foci of disease, its wild and small mammals and their domestic animals, which have their own specific propagation ecological conditions, snail and pest in nature, can become intermediate hosts of Schistosoma japonicum