Abstract: According to the requirements of the modern operation and management matrix construction of Dingdong Reservoir in Shandong Province, combined with the current situation of information construction and daily operation management of Dingdong Reservoir, the construction ideas and technical architecture of the plain reservoir matrix are proposed. Through the construction of front-end perception equipment, information center, "Four Preliminaries"(forecast, warning, preview, and plan)module, and mobile application, the digital transformation and intelligent upgrading of Dingdong Reservoir operation and management are promoted, in order to provide reference and guidance for the construction of plain reservoir matrix.