A display method of a display disposed in a vehicle includes following steps. Providing a first image by the display onto a glass of the vehicle at a first position, and a first virtual image is formed outside the glass when a user views the first image. Providing a second image by the display onto the glass at a second position, a second virtual image is formed outside the glass when the user views the second image, the first virtual image, the second virtual image and an environmental scene are located within a field of view of the user, and the first position is different from the second position.