If the menstrual flow is low and almost non-existent, try the following methods: First, if you are relatively obese, you must lose weight. Weight has a direct relationship with fat content and menstruation, so it is recommended to lose weight, and after losing weight, see if your menstruation will return to normal. Second, often stay up late, irregular work and rest time, work pressure, life is relatively fast-paced, resulting in endocrine disorders, may also cause low menstrual volume, such as the common clinical polycystic ovary syndrome, can cause over menstruation or even amenorrhea. In this case, it is best to go to the hospital on the second day of menstruation to have a blood test for sex hormone six, and according to the results, treatment can be given, if the androgen is high, you can lower androgen treatment. If the androgen is not high, you can promote ovulation treatment. Third, for some reason always in a bad mood, feeling depressed, resulting in depression, will reduce the amount of menstruation, it is recommended to be in a relaxed mood, and oral prolotherapy pills to regulate menstruation.