Tong Piao Capsule is a proprietary Chinese medicine preparation composed of centipede, scorpion, dilong, strychnine, tianma, ginseng, astragalus, angelica, etc., which can clear wind and remove dampness, invigorate blood, relieve pain and tonify qi and blood. It is mainly used for patients with rheumatoid arthritis who suffer from cold and painful joints, unfavorable joint movement and stiffness of joints. Because Tong Piao capsule contains strychnine, strychnine is a small poison, the dose is usually one tablet at a time, 2-3 times a day, can not overdose, overdose will lead to drug poisoning, when taking Tong Piao capsule, do not take other Chinese medicines such as strychnine.