Wei Ling Xian is a traditional Chinese medicine, which mainly has the efficacy of dispelling wind-dampness and opening the meridians and channels, and can be used for the treatment of rheumatism and paralysis, numbness of the limbs, contracture of the tendons and veins (persistent muscle tension, stiffness), and unfavorable flexion and stretching, and is often used clinically in conjunction with Qiangwu, Fenghui, Cangzhu and other traditional Chinese medicines. The source of the drug for the buttercup family plant Wei Ling Xian, cotton ball or Northeast Clematis dry roots and rhizomes, with wind-dampness, through the meridian effect, can be used for rheumatism paralysis, numbness of the limbs, muscle contracture, flexion and extension of the treatment of other diseases, due to the surface dispersal of wind-dampness strong; preventing heat and paralysis, but also able to dispel dampness; and Cangzhu is also long in the hair of dispersal of cold and dampness, so it is often used in conjunction with such medicines. It should be noted that, Wei Ling Xian pungent dispersal away, so weak qi and blood should be used with caution, the specific use of recommendations in the physician under the guidance of the diagnosis, not blindly self-medication.