Abstract:The comprehensive regulation of Yongwen River in Longkou City takes flood control safety as the premise, establishes the river chief system, improves the management and protection mechanism, promotes the smart water construction, strengthens the management and protection of riverbank lines, boosts the publicity of water culture, improves the water environment and enhances the water ecology as the comprehensive improvement project. The flood control capacity of the river has been improved, the river bank line has been further clarified, the water quality has been kept up to the standard, the water environment and water ecology have been improved, and the harmonious development of human and water has been realized, which provides a reference for the comprehensive management of the similar river.