With the development of urban construction and social economy on both sides of Oujiang River in Wenzhou, the two-side exchanges are becoming increasingly close, and the demand for crossing the river is constantly increasing. The problems of limited number of existing river crossing channels, unreasonable layout, poor connection between the two sides and traffic congestion are gradually becoming prominent. Accelerating the improvement of the cross Oujiang River channel system and improving the interconnection of road traffic between the two sides are the important contents for Wenzhou to adhere to the integrated development of the city and build a modern coastal garden city embracing the river. Focusing on the current situation, need and planning of the Oujiang River two-side channel, the relevant cases are studied, sorted out and summarized to propose the strategies and work measures for the planning and construction of river crossing channel.