The present disclosure provides a method and apparatus for unlocking a head-mounted display device based on gaze point information. The method includes: acquiring gaze point information of a user who wears a locked head-mounted display device; generating unlocking information according to the gaze point information; performing a matching operation on the unlocking information and a pre-stored unlocking key; and unlocking the head-mounted display device when the unlocking information matches the unlocking key. With this method, convenience and safety of the unlocking operation may be improved, and user's experience may be enhanced.