Episodic menstrual loss is mainly considered for the following reasons: 1, women of childbearing age without proper contraception should consider the possibility of pregnancy and pregnancy-related diseases, the patient can be examined through the blood HCG, progesterone and ultrasound to clarify the diagnosis, symptomatic treatment. 2, considered to be episodic menstrual disorders, which may be related to the patient’s recent stress, or excessive dieting to lose weight and erotic stimulation, if the patient If the patient can return to normal at the next menstrual period, there is no need for any treatment. If there are two or more consecutive menstrual periods with reduced menstrual flow, systematic examination and treatment are necessary. 3. For menopausal women with reduced menstrual flow, it is considered that it may be caused by ovarian hypoplasia, and it can be diagnosed by checking sex hormone six and anti-mullerian tube antibody.