The so-called herbs for improving microcirculation are those with the ability to invigorate blood circulation and eliminate stasis, which are divided into the following three cases: the first one, warming herbs for invigorating blood circulation and eliminating stasis, such as angelica, Chuanxiong, safflower, large plant rhodiola, cinnamon stick, etc. The second one, cooling herbs to invigorate blood circulation and remove blood stasis, such as Danshen, Dampi, Red Peony, Peach kernel, etc. In addition, small doses of rhubarb also have a cooling effect to activate blood circulation and remove blood stasis. The third type, blood-breaking and stasis-transforming drugs, is divided into plant-based blood-breaking and stasis-transforming drugs and animal-based blood-breaking and stasis-transforming drugs.