Vehicle control and supervision method and system

The invention provides a vehicle control and supervision system and method, the system comprises a vehicle-mounted terminal, a hand-held terminal and a networking terminal, the networking terminal is in communication connection with the hand-held terminal, and the hand-held terminal is in communication connection with the vehicle-mounted terminal through a LoRa networking mode. According to the invention, the vehicle-mounted terminal can be connected with networking terminals, including but not limited to cellular mobile communication, Wi-Fi and the like, which can be connected with the Internet, such as a mobile phone, a computer and the like through the handheld terminal, so that the cost of a single vehicle-mounted terminal is reduced, and the range between a vehicle and a user is controlled with relatively low power consumption; the user can sense the data of the vehicle and control the vehicle, so that an enterprise or a vehicle owner can better know the information of the vehicle, and the safety of the