Introduction to Sanfu Tie and its functions Sanfu Tie is a patch prepared from traditional Chinese medicine and is a traditional Chinese medicine therapy. Sanfu patch usually contains Chinese medicinal materials such as mint, keel, poria, white peony root, magnetite, etc. It can improve blood circulation, promote metabolism, activate blood circulation and remove blood stasis, etc. Its main function is to clear away cold and dampness, relieve pain and dissipate stagnation, and dispel wind and dampness by warming the meridians and removing moisture, thereby helping people relieve physical fatigue, stretch muscles and bones, and achieve the purpose of health care and treatment. Classification and efficacy of Sanfu Tie There are many formulas of Sanfu Tie, and these formulas can also be divided into different types according to their efficacy. Among the more common ones are