There are two reasons why menstruation is low and dark, according to Chinese medicine, one is deficiency of qi and blood, and the other is spleen deficiency and dampness. Women are Yin and are nourished by blood. Insufficient Qi and blood make it difficult to even satisfy their own supply, let alone form menstrual blood. It is generally common in women who are malnourished and underweight after much weight loss, and initially manifests itself as scanty and dark menstruation, and later may lead to amenorrhea and infertility. Daily regimen should first of all be reasonable diet, strengthen nutrition, meat and vegetables with balanced nutrition. Secondly, to ensure sleep, only good sleep, so that the body can get sufficient repair and rest. Finally, the combination of static and dynamic, the combination of work and rest, the shape and spirit of the common nourishment, Qi and blood, in order to achieve the purpose of replenishing Qi and nourishing blood. Of course, the conditioning can moxibustion Shen Que, Qi Hai, Guan Yuan to achieve the purpose of supporting the Yang, usually can also take Wuji Bai Feng Pills. There is another kind of women who are obese, who usually eat fatty, sweet, thick and greasy food, which leads to the growth of phlegm and dampness, and then the spleen qi can not be transported and transformed, so they can not produce qi and blood, which is manifested as low and dark menstruation, which also leads to infertility. For such women, weight loss is the first priority. If you lose weight, the phlegm and dampness will go away and your menstruation will be regulated. In short, the causes of dark and scanty menstruation are all deficiency, but there are differences and cannot be generalized.