A display apparatus and a display device are provided. The display apparatus includes: a first image acquisition device, configured to acquire a target image of a target region in the case that a human body is in the target region; an image processing device, configured to identify a body physical feature of the human body according to a human body image in the target image; an image generating device, configured to generate, according to the body physical feature, a virtual human body image corresponding to the human body and conforming to a target age; and a display device, configured to display the virtual human body image. A region displaying the virtual human body image is a virtual human body display region.