PARKING ASSISTANCE METHOD AND PARKING ASSISTANCE DEVICE

A parking assist method using a parking assist device is provided. The parking assist device comprises a controller configured to, when a subject vehicle travels by manual driving of a driver, determine whether or not the subject vehicle can be parked in a target parking space from a current position by first parking control for parking the subject vehicle by moving the subject vehicle only backward, and when it is determined that the subject vehicle can be parked in the target parking space by the first parking control, enable acceptance of a selection of the driver to execute the first parking control.