Abstract:As one of the first pilot counties for water system connectivity and water- beautiful rural construction, Lanshan District of Linyi Municipality has implemented projects such as water system connectivity, river ecological improvement, water and soil conservation, and pollution prevention and control over the past two years. The water security capacity in the project area has been significantly improved, the ecological functions of rivers and lakes and the rural water environment have been remarkably improved. The explored mode in the pilot project can provide reference for the implementation of similar projects.