Sound hanging is an art form that combines sound and picture. It usually consists of a picture frame or picture board equipped with sound equipment, which can play music, natural sounds, human voices and other sounds. At the same time, a corresponding picture is drawn on the frame or drawing board to echo or complement the sound being played. Hanging pictures with sound can bring people a full range of sensory experience, through the double stimulation of visual and auditory, deepen the viewer's understanding and feeling of art works. It can be used for exhibitions, art installations, home decoration and other fields to add a unique artistic atmosphere to the space.