Abstract:The standardization management of water diversion project is a systematic, complex and comprehensive work, which must be based on engineering practice, following objective rules and use scientific methods. In recent years, Water Diversion Project Operation and Maintenance Center of Shandong Province has promoted standardized management, successfully created the first batch of standardized water diversion projects in the Ministry of Water Resources, and summarized and formed the "1139" working method. This paper expounds the main contents, target requirements, specific measures and key points of the "1139" working method systematically, which provides reference for the standardization management of large-scale water diversion projects.