Blood clots in menstruation may be caused by cold clotting, qi stagnation, qi deficiency or blood stasis, and should be treated separately for different causes. First of all, blood is warm, but when it is cold, it clots. Women are yin, and their constitution is weaker than men’s, so they are more susceptible to the attack of cold. For women, menstrual period to pay attention to prevent cold and keep warm, less cold food is the basis of self-care. The first choice is to drink ginger water, and also moxibustion acupuncture points such as Shen Que, Qi Hai, Guan Yuan, etc., in order to drive away the cold and support the purpose. The second is that women with liver qi stagnation and emotional discomfort also lead to obstruction of the flow of qi and blood, manifesting as menstruation with blood clots, it is important to maintain a happy mood, and can be combined with the use of Prosperity Pill or Plus Flavor Prosperity Pill. For menstrual clots caused by blood stasis, motherwort cream is commonly used to regulate the formula. The above three cases are all real evidence, and the treatment is based on dispersing cold, moving qi and invigorating blood. Qi deficiency can also lead to menstrual clots. Qi is the driving force of blood flow, when the power is insufficient, the blood flow will be slow, low in volume, dark in color, accompanied by blood clots. In short, menstrual clots need to pay attention to the first identification of the real and the real, the real evidence can not be indiscriminately supplemented, in order to prevent the closed door to stay invasive; deficiency evidence can not be presumptuous use of blood circulation drugs, so as not to deplete the yuan yang, so that the deficiency on the more deficient.