The invention provides a cloud management based intelligent detection and charging management system for parking places of a parking lot. The system comprises an intelligent parking place detection device, at least one intelligent parking place display device and a plurality of parking place management cloud servers, wherein the intelligent parking place detection device is connected with the at least one intelligent parking place display device through a data transmission module, and the intelligent parking place detection device and the at least one intelligent parking place display device are connected with the parking place management cloud servers through data transmission modules; the intelligent parking place detection device comprises a geomagnetic sensor, an ultrasonic range finder, an intelligent parking place lock, a data processing controller and a first wireless data transmission module, and the geomagnetic sensor, the ultrasonic range finder, the intelligent parking place lock and the first wireless data transmission module are all connected with the data processing controller. The system is high in accuracy, high in anti-interference performance and high in informatization and intelligence, can construct parking lot parking place information cloud and provides strong support for smart cities and smart communities.