Low menstrual flow and dark color may be caused by cold condensation and blood stasis, Qi stagnation and blood stasis (due to blood stagnation caused by the lack of Qi circulation), etc. Shaobastric Blood Stasis Expelling Soup and Diaphragmatic Blood Stasis Expelling Soup can be used to identify the symptoms, and the specific medicines should be prescribed by the doctor. 1. Cold-congealed blood stasis: if accompanied by coldness (fear of cold, cold limbs), cold pain in the abdomen and refusal to be pressed, being relieved by heat, delayed menstruation, etc., it is necessary to warm menstruation and dissipate cold (warming the meridians and collaterals of the human body and dispelling the coldness within the body) and activate blood circulation and remove blood stasis (promoting the operation of the blood and eliminating stasis within the body), and Shaobu Yiyuyu Tang with additions and subtractions is the treatment of the condition. The adverse effects of Shaobu yuyu Tang are not clear, and it is forbidden for pregnant women. 2. Qi stagnation and blood stasis: accompanied by distension and pain in the chest and ribs, breast distension and pain, distension and discomfort in the abdomen, stringy pulse, etc., need to activate blood circulation and eliminate blood stasis, and break up the symptoms and eliminate the lumps in the lower abdomen, and can be treated by adding or subtracting Diaphragm-Under-Extracting Blood Stasis Soup. The composition of Diaphragm Downward Expelling Blood Stasis Tang is Wu Yao, Xiang Fu, Tao Ren, Red Peony, Safflower, etc. The adverse effects are not clear, and it is forbidden for pregnant women. If you feel sick and need to use the medicine, please go to the hospital and use it under the doctor’s guidance.