The present invention provides a head up display device and a vehicle. The head up display device comprises an arc-shaped screen configured to display information which is to be displayed and projected onto the screen, and to reflect displayed information to human eyes. The head up display device further comprises a transparent film provided on the screen, and the transparent film is configured to change a direction of a light ray reflected by the screen, such that ghosting is prevented from occurring in the displayed information which is reflected into the human eyes.