Menstrual blood is black how to do, see the following aspects: first, women should pay attention to proper rest, do not get cold, do not eat cold food, do not labor. Second, you can drink more hot food, such as brown sugar water, millet porridge, red bean porridge, conducive to the discharge of menstrual blood. Third, if necessary, you can take motherwort granules, free pills, Gui Zhi Fu Ling capsule, which is conducive to making the pelvic blood circulation smooth, but also conducive to the menstrual blood from black to red and then discharged. Fourth, you can also give pelvic physical therapy, moxibustion, so that the blood circulation is smooth, the color of menstrual blood will become dark red. Fifth, if there is endometrial necrosis or endometrial polyp ischemia, necrosis, need to be given to clear the uterus, menstrual blood is black is not normal, need to be given timely treatment, so as not to lead to menstrual disorders.