Vehicle charging port control method, system and device and medium

The invention provides a vehicle charging port control method, system and device and a medium, and the method comprises the steps: detecting a charging gun Bluetooth end through a vehicle OBC Bluetooth end, and transmitting a Bluetooth signal to a charging port function opening request to a BCM; the VCU detects the vehicle speed and the state of an ignition switch and sends the vehicle speed and the state to the BCM; wherein when the vehicle speed is equal to 0 and the ignition switch is not equal to READY, the VCU sends an instruction to the BCM to open a charging port, and charging is allowed; and when the charging is finished, the vehicle detects that the charging gun is disconnected and the Bluetooth signal is interrupted, the BCM controls to close the charging port. According to the invention, the charging gun and the charging port are subjected to Bluetooth identification and pairing, and the opening and closing of the vehicle charging port are controlled according to the current speed of the vehicle an