目的评价改善安全饮水、环境卫生与开展健康教育活动对农村居民洗手行为的影响。方法通过分层随机抽样,对600户农村居民进行观察和问卷调查。结果以管道水作为安全水,项目村农户使用安全水的比例由基线的51.0%上升到终期的95.7%。卫生厕所使用率从4.6%提高到20.7%。居民用皂洗手率项目村终期为29.1%,基线为24.7%,对照村终期为28.7%,基线为23.9%。结论实施项目改善了农村安全饮水和环境卫生状况。开展健康教育活动,明显提高了农村居民的健康行为(洗手率)。“三位一体”工作模式是可行的、有效的。 Objective To evaluate the impact of improving safe drinking water, sanitation and health education activities on rural residents’ handwashing behavior. Methods By stratified random sampling, 600 rural residents were observed and surveyed. Results Taking piped water as safe water, the proportion of households using safe water in project villages rose from 51.0% of the baseline to 95.7% of the end of the period. Sanitary toilet usage increased from 4.6% to 20.7%. Household soap hand-washing rate Project Village The end of the project was 29.1%, the baseline was 24.7%, the control village of 28.7% of the final, the baseline was 23.9%. Conclusion The implementation of the project has improved the safety of rural drinking water and sanitation. Carrying out health education activities has obviously improved the rural residents’ health behaviors (hand-washing rate). “Trinity ” mode of work is feasible and effective.