The invention discloses an external parking management implementation method for a community parking space based on big data. The method includes the steps: acquiring community information by connecting with a community vehicle management system, and acquiring registration information of users; acquiring position information of the users, and recommending parking communities for the users according to frequent parking areas registered by the users or query information of the users by comprehending information of four factors such as the distance between the frequent parking areas or query information of the users and starting places, current weather and traffic, surface parking lot cost of destination communities and real-time empty parking spaces of the destination communities. The method can solve the problems of recommendation of optimal parking communities in parking areas needed by the users and external parking management of the community parking space, a peak shifting community parking platform is provided, external parking of empty community parking spaces is achieved in a peak shifting manner, and parking difficulty during parking peak is relieved.