The functions of Shujin Pill are to dispel wind and dampness (get rid of wind and dampness in the body), and to relieve tendons and activate blood circulation (stretch the tendons and bones, and smooth the blood circulation). It is used for numbness of limbs and pain in tendons and bones caused by wind and cold. The composition of Shujin Pill includes strychnine powder, ephedra, frankincense, myrrh, cinnamon stick, hyssop, papaya, dugong, windproof, eucommia, qiangwu, continuity and other traditional Chinese medicines. It can dispel wind and dampness, relieve tendons and activate blood circulation, and is commonly used in the treatment of numbness of limbs, pain in tendons and bones caused by wind and cold, limitation of activities, and difficulty in walking and stepping. Adverse reactions produced by taking this drug is not yet obvious, pregnant women are prohibited from taking, athletes should be careful with this drug. It should be noted that this drug needs to be used under the guidance of a doctor, do not take without authorization and blindly increase the dose.