A vehicle simulation device, which comprises: a user interface, including: a scenario selection interface having a plurality of vehicle operating scenario options for selection; a vehicle signal display interface; and a motion image display interface configured to display an external motion image corresponding to the selected vehicle operating scenario option; a database configured to store the external motion image and a motion image description file associated with the external motion image, wherein the motion image description file includes a plurality of time stamps and a plurality of vehicle operating parameters corresponding to each time stamp; and a processing device, communicatively connected to the user interface, and configured to, when one of the vehicle operating scenario options is selected, load the external motion image corresponding to the selected vehicle operating scenario option for displaying the external motion image on the motion image display interface, wherein the processing device is configured to output, according current time of the displayed external motion image and the motion image description file, the vehicle operating parameters of the time stamp corresponding to the current time to be displayed on the vehicle signal display interface; the vehicle simulation device is characteried in that the vehicle signal display interface further comprises a signal form display interface, the signal form display interface is configured to display a packet format of a vehicle body signal, and the vehicle body signal is transmitted to a controller area network signal processing device, and the packet format is able to be directly used by the controller area network signal processing device. a user interface, including: a scenario selection interface having a plurality of vehicle operating scenario options for selection; a vehicle signal display interface; and a motion image display interface configured to display an external motion image corresponding to the selected vehicle operating scenario option; a scenario selection interface having a plurality of vehicle operating scenario options for selection; a vehicle signal display interface; and a motion image display interface configured to display an external motion image corresponding to the selected vehicle operating scenario option; a database configured to store the external motion image and a motion image description file associated with the external motion image, wherein the motion image description file includes a plurality of time stamps and a plurality of vehicle operating parameters corresponding to each time stamp; and a processing device, communicatively connected to the user interface, and configured to, when one of the vehicle operating scenario options is selected, load the external motion image corresponding to the selected vehicle operating scenario option for displaying the external motion image on the motion image display interface, wherein the processing device is configured to output, according current time of the displayed external motion image and the motion image description file, the vehicle operating parameters of the time stamp corresponding to the current time to be displayed on the vehicle signal display interface; the vehicle simulation device is characteried in that the vehicle signal display interface further comprises a signal form display interface, the signal form display interface is configured to display a packet format of a vehicle body signal, and the vehicle body signal is transmitted to a controller area network signal processing device, and the packet format is able to be directly used by the controller area network signal processing device.