Hai Feng Teng has the efficacy of dispelling wind-dampness, opening the channels and collaterals and relieving paralytic pain, and can be used for pain in the limbs and joints, unfavorable flexion and stretching, and bruises and injuries. Hai Feng Teng is the dried vine stem of Piperaceae plant, taste pungent, bitter, slightly warm, attributed to the liver meridian, efficacy to dispel wind-dampness, open the meridians and stop paralysis and pain. This product can be used for bruises and injuries, and can be used in conjunction with Turbellaria, Panax ginseng, safflower, etc., to treat bruises and injuries, bruises and pain; it can also be used for wind-cold-dampness paralysis, contracture of tendons and veins (persistent muscle tension, stiffness), pain in the limbs and joints, and unfavorable flexion and extension, and is often used in conjunction with Duhuo, Qianghuo, Angelica sinensis, and other medicines. The adverse reactions and contraindications of this product are not clear, please use under the guidance of a doctor, do not self-medication.