Decreased menstrual flow in dark brown color may be caused by deficiency of qi and blood, qi stagnation and blood stasis (blood stagnation due to lack of circulation of qi), qi stagnation and blood deficiency, and cold and blood stasis. You can take Ba Zhen Yi Materia Medica Pill, Yi Materia Medica Granules, Qi Zhi Xiang Fu Pill or Shao Abdominal Blood Stasis Pill to regulate the symptoms. 1. In the case of qi and blood deficiency, accompanied by symptoms such as scanty menstrual flow, lack of spirit, and weakness of limbs, you can take Ba Zhen Yi Materia Medica Pills, which can benefit qi and nourish blood (replenish the body’s qi and blood), and invigorate blood circulation and regulate menstruation, to regulate menstruation. 2. In the case of qi stagnation and blood stasis, most of the symptoms are accompanied by low menstrual flow and dribbling, etc. You can take Motherwort Granules to regulate menstruation and invigorate blood circulation. 3. Qi stagnation and blood deficiency is often accompanied by symptoms such as distension and pain in the chest and ribs, distension and pain in the abdomen during menstruation, and distension and pain in the breasts before menstruation, which can be regulated with the Seven-Made Fragrant Herb Pills, which are used to soothe the liver and regulate the blood and regulate the menstruation (to regulate menstrual irregularities caused by blood deficiency). 4. Cold-congealed blood stasis syndrome, most of which is accompanied by low back pain and abdominal distension when menstrual blood is seen, can be regulated with Shao Abdomen Blood Stasis Expelling Tang. On the basis of medication, it is important to keep warm, maintain a happy mood, ensure enough sleep, do not have stress, and reduce all stimulating factors. If the above symptoms occur, it is recommended to carry out scientific treatment under the guidance of a doctor, do not blindly take drugs.