Abstract: Objective To assess whether Beichuan County reaches the national standard of schistosomiasis transmission in? terruption. Methods Three villages in Beichuan County were sampled as assessment spots，and the schistosomiasis infections of residents and domestic animals，the status of Oncomelania snails and the past records were assessed according to the Criteria for Control and Elimination of Schistosomiasis in China. Results No local schistosome infections were found in residents and cattle for successive 5 years and no snails were found for 2 successive years in the 3 villages. The files were documented completely. All the indices reached the national standard of schistosomiasis transmission being interrupted. Conclusion Beichuan County has reached the national standard of schistosomiasis transmission interruption. However，the endemic surveillance of schistosomiasis still needs to continue.

Key words: Schistosomiasis； Transmission interruption； Beichuan County

摘要： 目的 目的 考核北川羌族自治县 （北川县） 是否达到国家血吸虫病传播阻断标准。方法 方法 按我国 《血吸虫病控制和消 灭标准》 要求， 在北川县抽取3个村作为现场考核村， 对人群病情、 家畜病情、 螺情、 档案资料进行考核。结果 结果 3个村连续 5年未发现当地感染的血吸虫病人、 病畜； 连续2年未查到钉螺； 已建立较完整的防治档案资料。各项指标均符合血吸虫病 传播阻断标准。结论 结论 北川县已达血吸虫病传播阻断标准， 仍需做好疫情巩固监测工作。

关键词: 血吸虫病； 传播阻断； 北川羌族自治县