Embodiments of the present disclosure provides a display apparatus and an operating method of the display apparatus. The display apparatus includes an apparatus body, a first display screen and a device module, the first display screen and the device module are arranged on the apparatus body, the device module includes a second display screen and a functional device, the functional device is positioned in a non-light-exiting direction of the second display screen, the first display screen and the device module are rotatable relatively, so that the first display screen and the second display screen are positioned on an identical side of the display apparatus.