近年来，我国湖沼型地区日本血吸虫病急性感染人数有回升的趋势，钉螺面积有所扩大，成为我国血防工作的难点和重点。为此，我们于１９９３１—１９９６１０在枞阳县湖沼型日本血吸虫病流行区进行了不同措施防治效果的研究。１　材料与方法１１　现场选择　以湖沼型血吸 In recent years, the number of acute infection of schistosomiasis japonica in our lakes and marshes has a tendency to rise, and the area of ​​snails has been enlarged, making it a difficult and important point for our country’s blood and anti-epidemic work. To this end, we conducted in 19931-1996  10 Zongyang Xianghuangshi schistosomiasis japonica endemic areas of different measures to prevent and control the effect of research. 1 Materials and Methods 1  1 scene selection to Lake Marshmallow type