**5. Conclusions**

Our results demonstrated that Guichi district has implemented suitable schistosomiasis control strategies for the respective social circumstances in different periods. This study suggested that adjusting the control strategy in according to social, economic, and political changes is necessary and vital. Schistosomiasis control in Guichi district is one of the successful examples in schistosomiasis control over the past 40 years in China. It could provide valuable experience on future policy making not only for China, but also epidemic areas with similar social conditions around the world.

**Author Contributions:** L.L., Y.Z., and Q.J. participated in structuring this manuscript. T.W., S.Z. and G.C. collected the data. L.L. and Y.Z. analyzed the data and wrote the first draft. G.Z., N.H., Z.Z. and H.Y. provided advices for the subject of this manuscript. L.L., Y.Z., D.Y., Y.Y. (Ya Yang) and Y.Y. (Yu Yang) searched the scientific literature. L.L., Y.Z., Y.C. and Q.J. revised the manuscript. All authors contributed to, reviewed, and approved the final draft of the paper.

**Funding:** This manuscript was supported by National office for philosophy and social sciences for the Chinese Social Science Fund Major Project (project number: 16ZDA237).

**Conflicts of Interest:** The authors declare no conflict of interest. The funders of the study had no role in study design, data collection, data analysis, data interpretation, or writing of the report. The corresponding author had full access to all the data in the study and had final responsibility for the decision to submit for publication.
