Abstract:In Longkou City, the government explores a new path for river and lake management actively, and gradually forms a "Longkou model" of river and lake management, with the long-term management mechanism of river chief system as the core, the support of accelerating the construction of digital river and lake as the support, the promotion of scientific, standardized and universal river and lake management as the direction, and the continuous improvement of the city's river and lake source environment, as well as the continuous improvement of river and lake management as the goal.The application of this model provides reference experience for the management of rivers and lakes in similar cities and counties.