The main elements of the rural water conservancy are irrigation and drainage engineering, and rural water supply. The current work of rural water conservancy includes three main objectives, such as reinforce of dangerous reservoirs, safety of rural drinking water, and reform of water-saving irrigation for irrigation regions, which includes reform of water-saving irrigation for large and middle scaled irrigation regions, reform of large scaled pump stations for irrigation and drainage systems, construction of small scaled agricultural water conservancy projects, and water-saving irrigation etc. Progress of above situation was analyzed in this paper, which also included overview of rural water technology development, such as research progress of water-saving irrigation techniques, rural drinking water technology and their integration, and the rapid evaluation and software development of the modern irrigation region management, water resource management technology which based on crop evapotranspiration. After discussing the technology requirement and key areas of rural water conservancy, the author thinks that we should increase joint research, accelerate the transformation and promotion of research fruits, pay attention to the relationship between inputs and outputs. Suggestions for extension service of rural water conservancy should be focused on the increase of farmers' income and the improvement of their living conditions, increase the guidance, support of rural water-related key enterprises, accelerate the transformation of scientific and technological achievements, give full play to enterprises in the important role of technology promotion.