Vehicle failure after-sale diagnosis method and diagnosis equipment and server

The invention provides a vehicle failure after-sale diagnosis method. The method comprises the following steps: diagnosing equipment to acquire failure information input by a user and sending the acquired failure information to a server; receiving after-sale processing information fed back from the server, acquiring a maintenance result input after the user troubleshoots according to the received after-sale processing information, and sending the acquired maintenance result to the server, wherein the maintenance result contains failure solved and failure unsolved. By implementing the embodiment of the invention, on-site after-sale data can be acquired timely, situations of after-sale problem analysis and troubleshooting lag, insufficient tracking, low support and solving efficiency and the like are avoided, and manpower cost is reduced.