Disclosed are a touch apparatus and an operating method of the touch apparatus. The touch apparatus includes: a depth camera device, a display screen disposed within a viewing range of the depth camera device, and a controller connected to the display screen and the depth camera device. The depth camera device is adapted to capture a depth image within the viewing range and send the depth image to the controller. The controller is adapted to receive the depth image, calculate based on the depth image and identify a current touch operation, and output an operation interface corresponding to the current touch operation to the display screen.