Low menstrual flow can be regulated by oral Chinese medicine, such as Bazhen Yimu capsule, Yimu Cao capsule, as well as Wuji Baifeng pill and menstrual regulating Yiling tablet, all of which may effectively improve the clinical symptoms of low menstrual flow. However, for patients with low menstrual flow, it is better to give the corresponding examination to mainly understand the causes of low menstrual flow in order to target the medication to achieve the expected effect. It is recommended to have a blood test for sex hormone six and thyroid function on the 2nd day of menstruation, mainly to understand the endocrine situation, to exclude polycystic ovary syndrome, to exclude premature ovarian failure and to exclude menstrual flow caused by hyperprolactinemia. In addition, ultrasound examination is also recommended to understand the thickness of the endometrium, whether there is endometriosis, pelvic tumor causing low menstrual flow, or low menstrual flow due to endometrial damage caused by abortion or uterine removal surgery. According to the different causes, clinical and then targeted treatment will achieve good treatment results.