Vehicle-mounted monitoring device and use method thereof

A vehicle-mounted monitoring device disclosed by the present invention comprises a fast-assembly type vehicle-mounted body, a monitoring mechanism is arranged below the front end of the fast-assembly type vehicle-mounted body, the monitoring mechanism is fixedly connected with the fast-assembly type vehicle-mounted body, the two sides of the upper end face of the monitoring mechanism are each provided with a fixing upper support, the number of the fixing upper supports is two, and the fixing upper supports are fixedly connected with the fast-assembly type vehicle-mounted body. Solar power generation panels are arranged in the two fixed upper supports, the number of the solar power generation panels is two, and the two solar power generation panels are electrically connected with elements in the monitoring mechanism. The invention further discloses a using method of the vehicle-mounted monitoring device. The problems that when an existing monitoring device is used for installing an automobile, tedious operatio