The invention discloses an automobile information display method. The method is characterized in that information to be displayed is collected, the information to be displayed is displayed on a spatial light modulator in a text or image mode, illuminating light irradiates the spatial light modulator, an image of the spatial light modulator is projected to a transmission-type projection screen through a first projection imaging lens, a first cylindrical mirror, a second cylindrical mirror and a second projection imaging lens. The rear face of the transmission-type projection screen is tightly attached to a plane of a plano-convex lens used as a field lens, a concave mirror is arranged at the back of the plano-convex lens, the inner surface of the concave mirror is coated with a reflecting film, and reflected light forms an amplified virtual image at the back of the concave mirror, and therefore the automobile information is displayed. The concave mirror is arranged on the inner side of a front windshield of an automobile. The displayed information is in the visual field right ahead of a driver, therefore, when the driver observes the automobile information, the driver does not need to look down or enable the eyes to focus near the information, and driving safety is ensured.