The effect of drinking brown sugar water on low menstrual flow can be improved, because it has the effect of activating blood, which can promote blood circulation, and can promote the speed of menstrual blood discharge, so that menstrual blood flows smoothly. There are many reasons for low menstrual flow, including thin endometrium, endocrine disorders, anemia, polycystic ovaries, premature ovarian failure, etc. Having had an abortion can cause cervical adhesions, which can also lead to reduced menstrual flow. Taking brown sugar water in this case is not very useful, and only when the specific cause is identified can you choose the right treatment according to the specific situation. In the menstrual period drinking brown sugar water has a warming effect, and the role of blood, so in the period appropriate to drink brown sugar water for the body has certain benefits. In addition, the low menstrual flow can also be reasonably used under the guidance of the doctor Yi Mu Cao and other blood-boosting drugs, can also improve the low menstrual blood flow.