W-HUD is called W-type head-up display. The principle is to use the principle of optical reflection to project important driving data onto the windshield to form an image 2.5m away from the driver's line of sight. This project is based on a model custom development of a W-HUD, will be based on customer needs to develop customized applications and graphics, and fully present the basic driving information, navigation information, road warning and so on.