A multi-level imaging system, a head-up display, a transportation tool, and a multi-level imaging method. The multi-level imaging system has an eye box area and comprises an electronic control unit and a head-up display. The electronic control unit is communicationally connected to the head-up display. The electronic control unit is used for obtaining driving information and sending the driving information to the head-up display. The head-up display is configured to emit multiple paths of light to respectively display multiple layers of images to display the driving information, and the distances between at least some of the multiple layers of images and the eye box area are not equal.
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