Objective To evaluate the effect of cementing ditch-based project on schistosomiasis control in the irrigation area of Dingshen River basin in Shitai County,Anhui Province.Methods The data of Oncomelania hupensis snail surveys from2009 to 2015 and the data of schistosome infections in humans and livestock from 2009 to 2015 were collected,and the changes of the epidemic situation were analyzed and compared before and after the project.Results In the cementing ditches,the occurrence rate of living snails decr...