It is mainly used for the treatment of pain, numbness and unfavorable flexion and extension of joints caused by wind-cold dampness. 1, Wei Ling Xian: warm in nature, pungent and salty in taste, mainly belongs to the bladder meridian, has the efficacy of dispelling wind-dampness, opening the meridian, relieving pain and eliminating bone bladder. 2, Wei Ling Xian: warm in nature, sweet and bitter in taste, mainly belongs to the liver, kidney and lung meridian, has the efficacy of dispelling wind-dampness, relieving pain and eliminating bone bladder. It is mostly used for treating wind-cold and damp paralysis resulting in joint pain, constricted tendons and veins, and unfavorable flexion and extension; 2. The combination of the two can enhance the efficacy, and can more effectively play the role of dispelling wind-dampness, meridians and blood, so it is mainly used for the treatment of wind-cold damp paralysis and joint pain, fear of cold more obvious patients. In addition, the two are often combined together to make wine, and the wine will also enhance the effect of dispelling dampness and promoting blood circulation. Patients with the above indications can apply the drug under the guidance of a doctor and avoid using it on their own to avoid improper use and failure to achieve the therapeutic effect.