Automobile fault diagnosis instrument capable of realizing remote diagnosis

An automobile fault diagnosis instrument capable of realizing remote diagnosis comprises a detection device, a wireless transceiver and a background device, the detection device performs data transmission with the background device through the wireless transceiver, a receiver, a comparison database and an emitter are arranged in the background device, the comparison database is electrically connected with a comparator, and the comparator is electrically connected with the wireless transceiver. The output end of the comparison database is electrically connected with a comparator, the output end of the comparator is electrically connected with a controller, the output end of the controller is electrically connected with a scheme database, and the scheme database transmits data to detection equipment through an emitter and a wireless transceiver. The comparator can compare whether the comparison database and the detection data are the same or not, and when the detection data and the comparison database are the s