Low menstruation may be caused by endocrine disorders, uterine adhesions, hyperprolactinemia, which needs to be treated with medication and surgery according to the cause, but there is no fastest and most effective way. 1. Endocrine disorders: the main reason is that estrogen secretion decreases, resulting in the endometrium can not reach the normal thickness, which leads to a decrease in the amount of menstruation, the need for hormone tests, clear the cause of the hormone drugs such as estradiol valerate tablets to help increase the amount of menstruation treatment. 2. Uterine adhesion: If there is a history of abortion or other intrauterine surgery, and the uterus becomes adherent under the effect of inflammation, thus reducing menstrual flow, it is necessary to perform uterine adhesion detachment surgery to strip the adherent parts, so that the uterine cavity can return to its normal state. 3. Hyperprolactinemia: Low menstrual flow and amenorrhea are typical symptoms of hyperprolactinemia, and most of the patients take oral bromocriptine mesylate for about three months, which can make the menstrual flow return to normal. Low menstruation is an abnormal situation, need to check the cause in time, under the guidance of the doctor active treatment.