Mobile bottom inspection system is mainly used to detect the bottom of various vehicles. It can detect whether the bottom of the vehicle has been illegally altered, hide drugs, bombs and other prohibited items or personnel. It can also check inconvenient places for human body. It is faster and more accurate than traditional bottom inspection mirror, and greatly improves the speed and accuracy of vehicle safety inspection. Accuracy, reduce the input of human resources, the product has a high level of protection design, can work normally in harsh environment. It is suitable for airports, wharfs, customs, frontier defense, public security checkpoints, large-scale activities and other places that need to be inspected temporarily.