The food that can promote the discharge of dirty blood during menstruation is relatively more, can be cited as follows: 1, rose tea is a better drink to promote the discharge of dirty blood during menstruation. The rose itself has the effect of activating blood circulation, regulating menstruation, relieving blood stasis and pain, and relieving depression. The first thing you need to do is to drink rose tea during your menstrual period to promote the discharge of blood stasis in the uterus. 2, for women with low menstrual flow, you can use motherwort boiled water to drink during your menstrual period. motherwort boiled water has the effect of promoting uterine contraction, and also has the effect of activating blood stasis. It has a good effect on menstrual pain, low menstrual flow and black menstrual color caused by poor discharge of menstrual blood. 3, you can also eat more duck blood, chicken blood, pig blood, animal liver and other foods during menstruation, these foods mainly have the effect of blood tonic, which also helps the discharge of blood stasis.