From TCM point of view, the ear contains information of the Whole human body. Auricular acupuncture is a diagnostic and treatment system based on adjusting the body's function through stimulation of definitive points on the ear, which correspond to the body, and was first described in France in 1950 by Paul Nogier. Its history can be traced back to the Stone Age. It can be used to treat insomnia, depression, overweight, hypertension, pain syndrome, constipation, diarrhea, and substance abuse, etc.