The dark color of menstruation is due to the period did not do a good job of keeping the abdomen warm, cold caused by menstrual blood stagnation, poor circulation of menstrual blood, in the uterine cavity to stay longer will appear menstrual blood darker, serious menstrual blood with blood clots. Suggestions can be made with brown sugar and ginger boiled water to drink or take some motherwort punch, is conducive to alleviate the symptoms, the need to do a good job of small abdominal warmth, to avoid cold, pay attention to the diet of light diet, avoid eating spicy, stimulating and cold food, do not eat chilled food, to avoid the body cold affects the circulation of menstrual blood, the menstrual blood color is black and menstrual cramps, and so on. During menstruation, you need to do a good job of vulvar cleanliness and hygiene, change and wash your underwear, avoid bacterial infection caused by vaginitis, which affects the health of women, and you need to exercise moderately during menstruation to avoid being sedentary.