Saffron mainly has the effects of activating blood circulation and removing blood stasis, nourishing blood, tonifying blood, and regulating blood circulation, among which it is mainly known for activating blood circulation and removing blood stasis, and it has a two-way regulating effect on women. Usually, saffron is not recommended to be used during menstruation because of its strong blood-activating power, which may cause the risk of excessive menstrual bleeding. However, if there is blood stasis during menstruation, or if the amount of menstruation is particularly low or short, it can be used under the guidance of a doctor. Saffron can also be used together with other medicines, such as peach kernel, angelica, zephyr, motherwort, etc. Patients with cold agglutination can add cinnamon sticks and other medicines. If there are symptoms of heat, danpi can be used, according to the different diagnosis with the use of, try to go to the hospital to ask the doctor to guide the use.