Liejiao is an acupoint of the hand Taiyin Lung meridian, which has the effect of promoting the lungs to stop coughing, draining heat to relieve drenching, and relaxing the meridians and collaterals, and can be used for coughing, shortness of breath, headache, toothache and other diseases. Lechu is located in the forearm, 1.5 inches above the transverse stripe on the distal side of the palm of the wrist, between the tendon of the short extensor digitorum brevis and the tendon of the long extensor digitorum brevis, in the depression of the groove of the tendon of the long extensor digitorum brevis. It is used for treating external wind, cough, asthma, sore throat, headache, strong neck, crooked mouth and eyes, tooth pain, and weakness or pain in the wrist. Leiqiu is a complex point of the hand Taiyin Lung meridian, and also belongs to the eight chakra meeting points, with a wide range of clinical applications, and can be pressed or needled to play an auxiliary therapeutic role. If necessary, please standardize the treatment under the guidance of a professional physician, do not operate on your own to avoid adverse consequences.