Train body 360 image detection system is a kind of equipment used for on-line imaging and automatic defect detection. The product is installed in the inspection shed of the train in and out of the warehouse. It adopts the non-stop detection method to automatically complete the high-definition imaging of the car body. By using the deep learning and image processing technology, it realizes the intelligent detection of the key parts such as the roof, the side of the car and the running gear under the car, improves the detection efficiency, reduces the workload of the operators, and reduces the operation and maintenance cost of the enterprise, Provide technical support for the safe operation of the train.