Low menstrual flow can be seen in anovulatory menstrual disorders. The basal body temperature can be monitored, and if the basal body temperature is monophasic, progesterone withdrawal bleeding treatment can be given in the second half of menstruation, such as dydrogesterone tablets, Imaxin, Angiostatin, progesterone injections and so on, and usually there will be a significant increase in menstruation after the use of the drug. In addition, it can also be caused by damage to the endometrium, such as a history of repeated uterine operations: purging, abortion, diagnostic curettage, etc., all of which may cause damage to the endometrium, and can be considered as a way to stimulate the growth of the endometrium by supplementing with Gatorade. Endometrial destruction caused by Mycobacterium tuberculosis can also be seen and requires further help from a respiratory physician for diagnosis and treatment.