Vehicle door safety unlocking method after vehicle collision and vehicle-mounted intelligent terminal

The invention discloses a vehicle door safety unlocking method after vehicle collision and a vehicle-mounted intelligent terminal. The vehicle door safety unlocking method after the vehicle collision comprises the steps that after the vehicle is collided, if a vehicle-mounted intelligent terminal receives a vehicle door locking signal, whether a low-voltage power supply battery of the vehicle supplies power normally or not is judged; if the low-voltage power supply battery of the vehicle cannot supply power normally, a standby battery of the vehicle-mounted intelligent terminal is controlled to be started, and whether the vehicle is in a safe state or not is judged according to the speed of the vehicle; and if the vehicle is in the safe state, power is supplied to a door lock motor of at least one vehicle door through a standby battery of the vehicle-mounted intelligent terminal so as to unlock the at least one vehicle door. According to the vehicle door safety unlocking method after the vehicle collision, af