Abstract: Urban river ecological corridor has the dual attributes of ecology and city, which plays an important role in constructing the urban skeleton, improving the ecological environment, displaying the urban culture and promoting the healthy and green development of the city. This paper takes Panlong river in Kunming as an example, by using literature survey, field investigation,mass will survey, departmental discussion, etc., based on the comprehensive analysis of the urban spatial characteristics, the present situation, the main problems and the characteristics of the ecological corridor, the “Blue-green-gray-red revival” strategy was put forward to provide reference for the construction of the ecological corridor of Panlong river.