Black meridian is caused by qi stagnation and blood stasis, and menstrual blood accumulates in uterus for a long time. So under what circumstances will menstrual blood accumulate in the uterus for a long time? Deficiency of both qi and blood can lead to black menstrual blood: after the menstrual cycle is advanced or wrong, the menstrual flow increases or decreases, the menstrual period is prolonged, and the color is light and the quality is thin. Or less abdominal pain, or dizziness, or mental fatigue, pale or sallow complexion, less stool. Red tongue and weak pulse. Treatment is suitable for tonifying both qi and blood, including Buzhong Yiqi Pill, Shiquan Dabu Pill, Wuji Baifeng Pill, Bazhen Mu Yi Pill, Babao Kunshun Pill, Nujin Pill, Danggui Tiaojing Pill, Danggui Jujube Granule, Guipi Pill and Siwu Decoction. Blood cold and dark blood: delayed menstruation, small amount, dark color and blood clots. Cold pain in the lower abdomen, summer heat, chills and cold limbs. White fur and heavy pulse. Appropriate warming channels to dispel cold. Aifu Wengong Pill, Tianqi Tongjing Powder and Jingui Wenjing Pill can be used. Blood heat can lead to black meridian:1; Excess heat leads to dark menstruation: early menstruation, large amount, dark red or purple color, sticky, with blood clots. Irritability, red face and dry mouth, short and yellow urine and dry stool. Red tongue with yellow coating and rapid pulse. Treatment should clear heat and cool blood, regulate menstruation and stop bleeding. Jing Qing granules, Feng Lun Zhixue tablets and Sihongdan can be used. 2, deficiency heat appears menstrual black: early menstruation, prolonged menstruation, large amount, red color, thick quality. Or blushing cheeks and burning hands and feet. Red tongue, less fur and thready pulse. Clearing heat and nourishing yin, regulating menstruation and stopping bleeding. Jing Qing granules and Gu Jing pills can be used. Qi stagnation and blood stasis can lead to black menstrual blood: irregular menstruation, more or less menstrual flow, purple color, lumps and poor menstruation. Or abdominal pain, or chest pain, breast pain, abdominal distension, epigastric discomfort, purple tongue or petechiae, thin white or yellow fur, thin or astringent pulse. Treatment should promote blood circulation to remove blood stasis, regulate qi and relieve pain. Xiaoyao Pill, Qizhi Xiangfu Pill, Cihang Pill, Shaofu Zhuyu Pill, Yueyueshu Granule, Shixianfan, Danggui Extract Tablet, Fuke Desheng Pill, Tiaojing Buxue Pill and so on can be selected. Kidney deficiency can lead to black menstruation:: menstrual cycle is uncertain, the amount is small, the color is light red or dark red, and the quality is thin. Weakness of waist and knees, heel pain, dizziness and tinnitus, or abdominal cold, or nocturia. Pale tongue, weak or late pulse. Treating kidney and regulating menstruation. You can use Nubao, Chang 'e Jiali Pill, Dingkundan and Deer Fetal Cream. What do you need to pay attention to when menstruation is black? Pay attention to 1 when menstruation is dark, keep cheerful and avoid mental stimulation and mood swings. It is normal for some people to have abdominal distension, backache, breast pain, mild diarrhea, fatigue, lethargy, emotional instability, irritability or depression during menstruation, so there is no need to be overly nervous. Note that menstruation is black. 2. Pay attention to hygiene and prevent infection. Pay attention to the hygiene and cleanliness of external genitalia. Never have sexual intercourse during menstruation. Pay attention to keep warm and avoid cold stimulation. Avoid overwork. People with excessive menstrual blood should not eat brown sugar. Pay attention to the black of menstruation. 3. Underwear should be soft cotton with good ventilation. Wash and change frequently, and dry your underwear. It is necessary to pay attention to the black of menstruation. 4. It is not advisable to eat cold, hot and sour and other irritating foods, drink more boiled water, and keep the stool unobstructed. People with blood heat should eat more fresh fruits and vegetables before menstruation, and avoid things such as onions, garlic, leeks and ginger that stimulate excessive internal heat. People with insufficient qi and blood must increase nutrition, such as milk, eggs, soybean milk, pork liver, spinach, pork, chicken and mutton. And avoid eating cold fruits and vegetables. .

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