Rear-mounted HUD

The utility model relates to the field of vehicle-mounted equipment, and discloses a rear-mounted HUD, which comprises a projection module arranged on an automobile front trim panel, a plane mirror fixed on an automobile roof and provided with a mirror surface forming an included angle with the projection module, and a concave mirror arranged on the automobile front trim panel close to the projection module and opposite to the plane mirror, the projection module comprises a placing platform used for fixing a mobile phone and a light shielding plate arranged on the periphery of the placing platform, and an access opening is formed in the side, away from the windshield, of the light shielding plate. The placing platform is provided with a clamping guide mechanism which guides the mobile phone into the placing platform from the access or guides the mobile phone out of the access so as to facilitate operation. The HUD can reduce the cost by using the mobile phone as projection equipment. 本实用新型涉及车载设备领域，公开一种后装HUD，包