Yangchi point is located in the posterior region of the wrist, on the dorsal distal transverse stripe of the wrist, in the depression of the ulnar lateral margin of the extensor tendon of the finger. Yangchi, also known as Beiyang. It belongs to the Sanjiao meridian of the Shaoyang of the hand. It is located in the posterior wrist region, on the dorsal distal transverse stripe of the wrist, in the depression of the ulnar margin of the extensor tendon of the fingers. There is a subcutaneous dorsal hand vein network, the 4th dorsal metacarpal artery, and the dorsal branch of the ulnar nerve and the terminal branch of the dorsal cutaneous nerve of the forearm. Yangchi point has the effects of dredging and regulating the Sanjiao, clearing heat and fire (removing heat and fire from the body), and relaxing the tendons and collaterals. It is mainly used to treat the five senses such as redness and swelling of the eyes, deafness, laryngeal paralysis (redness, swelling and pain in the pharynx, or dryness, foreign body sensation, or itchy discomfort in the pharynx, and difficulty in swallowing); dryness of the mouth, thirst; shoulder and arm pain, and wrist pain. It should be noted that if the patient needs to perform acupuncture on Yangchi points, the specific acupuncture operation should be performed by a professional physician, do not operate on your own, so as not to cause adverse effects.