血吸虫病(schistosomiasis)是一种严重危害人类健康的地方性寄生虫病。近年来有死灰复燃之势,脑血吸虫病发病率有明显上升。目前,全世界有6亿人受到威胁,近2亿人受到感染,每年可致200万人死亡[1]。在我国仍继续流行于7个省的大山区及湖沼地区[2],其中脑血吸虫病(cerebral schis Schistosomiasis is a endemic parasitic disease that seriously affects human health. The resurgence of the trend in recent years, the incidence of cerebral schistosomiasis was significantly increased. At present, 600 million people are threatened in the world and nearly 200 million people are infected, causing an annual death toll of 2 million [1]. In our country, it still continues to popularize in the big mountain area and lakes and marshes in 7 provinces [2], of which cerebral schistosomiasis