Control device and method for locking or unlocking vehicle door

The invention relates to a vehicle door locking or unlocking control device and method. A control device for locking or unlocking a vehicle door comprises an intelligent key which is provided with a key for locking or unlocking the vehicle door and sends a control signal for locking or unlocking the vehicle door through the key for locking or unlocking the vehicle door; a smart key determination module configured to determine whether a smart key is placed inside the vehicle; and a door control module configured to determine whether the vehicle is in a starting state or a flameout state, determine whether to receive a control signal for locking or unlocking the door from the smart key according to a determination result of whether the smart key is placed inside the vehicle when the vehicle is in the starting state, and control the door to be locked or unlocked according to the control signal. And after a control signal which comes from the intelligent key and is used for locking or unlocking the vehicle door i