Implementation method and system of wireless screen projection, medium, vehicle-mounted terminal and intelligent terminal

The invention provides a wireless screen projection implementation method and system, a medium, a vehicle-mounted terminal and an intelligent terminal. The method comprises the following steps: establishing wireless screen projection connection with an intelligent terminal; recording the current time of the wireless screen projection connection; when the wireless screen projection connection is interrupted, sequentially initiating reverse connection from back to front according to a time sequence so as to realize wireless screen projection when the reverse connection is successful; according to the invention, when the wireless projection screen is abnormally disconnected, automatically reversely connecting the vehicle-mounted terminal with the intelligent terminal without manually triggering the projection screen operation by a user, so that the trouble of manual operation is saved, and the safety performance of the user in the driving process is improved; according to the invention, automatic screen projecti