Abstract:As a key component of the main framework of Shandong's modern water grid, key water diversion projects play a crucial role in optimizing water resource allocation and ensuring water supply security. This paper analyzes the problems existing in Shandong's key water diversion projects deeply, such as aging facilities and inadequate management systems, and furthermore, it puts forward targeted development strategies from the aspects of management mechanism, engineering construction, technological innovation and ecological protection, so as to promote the high-quality development of key water diversion projects in Shandong and enhance the province's water security support capacity.