Embodiments of the present disclosure disclose a method for collecting facial information and related devices. The method includes: displaying a background image on the touch display screen, in which a brightness of the background image is greater than or equal to a first brightness, and light emitted from the touch display screen and the background image is configured to illuminate a face of a user; and collecting, by the facial information collection apparatus, the facial information of the user whose face is illuminated by the light emitted from the touch display screen and the background image.