中文摘要：

农村安全饮用水和环境卫生改善效果的地区性差异使得供给问题成为焦点。以青海和云南实地调查研究为基础，通过对西部地区经济发展水平、自然地理环境、农户参与意识等因素的调查，发现农村改水改厕存在的问题，提出未来改水改厕的方向。为解决西部农村安全饮水和环境卫生服务供给中存在的问题，其建设应与新农村建设协调发展，在多元化供给结构的支持下需要公民民主意识的提高。

英文摘要：

Because of regional differences in the improvement of rural safe drinking water and sanitation, the supply has become the focus issue. On the basis of the field research in Qinghai and Yunnan, the problems existed in rural water supply and sanitation were explored by the survey on economic development level, natural environment and the consciousness of participation of farmers in western regions. In order to solve the problems on service supply of rural safe drinking water and sanitation in western region, the construction of infrastructure should coordinate with the New Countryside construction, and to support the plurality of supplying structure; the improvement of democratic consciousness of citizens was also needed.