Abstract: The importance of quality management of metal structure and mechanical and electrical equipment in water conservancy projects is summarized, and the problems existing in quality management of metal structure and mechanical and electrical equipment in small and medium-sized people's livelihood water conservancy projects are analyzed. Combining with the work practice, this paper probes into the working ideas of quality management of metal structure and mechanical and electrical equipment in Minsheng Water Conservancy Project from the aspects of increasing attention, strengthening source control, standardizing installation and management, matching management facilities, improving archives and materials, and strengthening quality supervision.