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Vehicle parking is not only an important problem in urban traffic, but also an important factor affecting the relationship between cities and within cities. In this paper, by investigating the parking conditions of Jiaozuo Wanda Plaza in 2018, important parameters such as average parking time on weekdays and holidays, berth turnover rate, parking utilization rate and centralized parking index were obtained. Based on the obtained parameters, multi-angle optimization analysis was conducted on the parking lot. In order to reduce the congestion of the entrance and exit of parking lots and improve parking efficiency, this paper adopts the method of increasing the entrance and exit of parking lots and optimizing the route. It has great reference value in practical application.