In traditional Chinese medicine, the hand can be used to diagnose diseases because pathological information is reflected on the hand. This method can also be used to prevent and treat disease, improve life quality, and maintain health by applying various types of stimulation to specific areas of the hand. The hand as a part of the body lies in a common environment with other structures and has a close relationship with the body's internal organs. Hand therapy is simple and easy to practice and safe and reliable for obtaining good therapeutic effects for a wide variety of diseases.