Method, system and device for establishing vehicle remote diagnosis link and electronic equipment

The invention provides a vehicle remote diagnosis link establishment method and device, and the method comprises the steps: monitoring a remote diagnosis link port set for vehicle equipment in real time, and determining whether the vehicle equipment accords with a preset condition for establishing communication connection or not according to a monitored communication connection establishment request, a communication connection establishing result is returned to the vehicle equipment; when the result of establishing the communication connection is that the communication connection is successful, sending a vehicle declaration request to the vehicle equipment, so that the vehicle equipment returns data of a to-be-diagnosed node of the vehicle equipment to the cloud data platform according to the vehicle declaration request; and verifying the data of the node to be diagnosed of the vehicle equipment, and sending a routing activation request to the vehicle equipment according to a verification result, so that the