A method for facial information preview and related products are provided. The method is applicable to a terminal device and includes the following. A camera of the terminal device is enabled and a switching notification is generated to notify a display screen of the terminal device to display at least one frame of transition interface before displaying a preview interface. The at least one frame of transition interface is displayed on the display screen according to the switching notification. Facial information is collected with the camera enabled and the preview interface is displayed on the display screen when the camera collects facial information.