In order to effectively alleviate the contradiction between the parking difficulties and a large number of parking spaces with low utilization, this paper presents a solution to the shared parking system from the perspective of the Internet of Things which adopts REST architecture to connect the independent devices such as users' mobile phone app, information storage server, intelligent parking lock, etc., supporting real time discovery of parking spaces, share time sharing, online booking, smart navigation, and unmanned supervision. This forms another case of sharing economy.