Abstract:This paper mainly analyzes the parking problem in urban new area,and propose a refined prediction method for calculating parking gap according to the characteristics of new urban areas and different land types。Further put forward the specific principles and optimization ideas location selection and scale calculation of public parking lots that should be baesd on the premise of service object and the purpose of promoting implementation. Finally, taking Shanghai Nanhui new town as an example, this paper provides some improvement suggestions for the public parking planning of Nanhui new town.