The specific location of Shaohai acupoint is in the anterior elbow area, horizontal to the transverse elbow stripe, at the anterior edge of the medial epicondyle of the humerus. Shaohai Acupuncture Point is a combined point of the Heart Meridian of the Shao Yin of the Hand, which has the effects of benefiting qi and tranquilizing the mind, nourishing the heart, regulating qi and opening up collaterals, and can be used clinically for treating heart pain, shenzhi disease, contractural pain of the elbow and arm, numbness of the arm, head and neck pain, and scrofula (mainly referring to cervical lymph node tuberculosis) and other illnesses. The method of taking the Shaohai acupoint is relatively simple, the correct method of taking the acupoint is to ask the examinee to bend the elbow at a right angle, the medial end of the elbow transverse stripe can be touched by a depression, and there is a feeling of acidity, numbness, distension, and pain when pressed, which is the location of the Shaohai acupoint. Shao Hai acupoints must be operated under the guidance of a professional physician when acupuncture is used to treat a disease, so as to avoid accidents due to improper operation.