The invention discloses an intelligent construction site comprehensive management system based on BIM and the Internet of Things. The intelligent construction site comprehensive management system comprises bottom-layer basic data, a data monitoring and collecting layer, a data transmission and storage layer, a service processing layer, a data interaction and integration layer, a client, a functionapplication layer and a top-layer use object. According to the invention, core application technologies such as BIM, CE, GIS, IoT, RFID and the like can be utilized to effectively carry out refined management on personnel, equipment and a construction process of a construction site and realize visual intelligent management. The informatization level of engineering management can be improved, green construction and ecological construction are achieved, BIM and Internet of Things integrated application is achieved, information fusion of an intelligent construction site is achieved, and visual intelligent management of engineering construction is achieved.