Novel windshield vehicle-mounted head-up display (HUD)

The invention discloses a novel windshield vehicle-mounted head-up display (HUD), which comprises a display screen, a reflecting mirror M1, a reflecting mirror M2 and a reflecting mirror M3. The reflecting mirror M1 is arranged in front of the display screen, the reflecting mirror M2 is arranged on the oblique lower part of the reflecting mirror M1, an information image on the display screen passes through the reflecting mirror M1, the reflecting mirror M2 and the reflecting mirror M3 and then is projected onto a vehicle windshield to form a virtual image, and then the virtual image is reflected into human eyes through the vehicle windshield; and the reflecting mirror M3 is a spherical reflecting mirror, the included angle between the display screen and the reflecting mirror M1 is 8-18 degrees, the included angle between the reflecting mirror M2 and the reflecting mirror M3 is 46-56 degrees, and the reflecting mirror M1 and the reflecting mirror M2 are both free-form surface reflectingmirrors. The invention f