Low menstrual flow of dark brown color may be due to blood stasis, cold condensation and other reasons, you can take drugs to regulate the abdomen and blood stasis pills, Ai Wei Warm Palace Pills and other drugs. 1. Shaobu yiyuwan: Shaobu yiyuwan is composed of angelica, red peony, fennel, cinnamon, etc. It has the function of activating menstruation and removing blood stasis, dispersing cold and relieving pain, and is suitable for the late menstruation and dysmenorrhea caused by cold coagulation and blood stasis, and the symptoms are: after the menstrual period is wrong, the menstrual period is cold and painful in the abdomen, and menstrual blood is purple and dark and there are clots of blood. Pregnant women should not take. 2. Ai Fu Warms the Uterus Pill: Ai Fu Warms the Uterus Pill is composed of Ai Fu, Xiang Fu, Angelica sinensis, cinnamon, etc. It has the effect of regulating qi and tonifying blood, warming the uterus and regulating menstruation. It is used for irregular menstruation and dysmenorrhea caused by blood deficiency and stagnation of qi, deficiency and coldness of lower jiao, symptoms such as postmenstrual error, low menstrual flow, blood clots, pain in the abdomen, cold pain and warmth in the abdomen during menstruation, and pain and soreness in the lower back and knees. The adverse reactions of the above drugs are not clear. Avoid raw and cold food, should not take cold bath. Ginseng or its preparations should not be taken at the same time during the medication. It should not be taken by patients with cold and fever. It is contraindicated for those who are allergic to the drug, and should be used with caution by those with allergies. If the patient has the need for medication, it must be used by a professional physician to find out the cause of the disease and make a clear diagnosis, and must not be taken blindly, so as not to lead to adverse consequences.