Thin bag regulates human sub-health by removing blood stasis, dampness, dispelling cold, adjusting the old and bringing forth the new. But there are rhubarb, safflower, hawthorn and Anemarrhena asphodeloides, which lead to increased menstrual flow, blood clots, backache and abdominal pain. To succeed, it is very important to choose the right product. Thin? Standing? Beauty is good.