Povidone Gel is not to be used for the treatment of irregular menstruation. Paowei Kang Gel is water-soluble milky white to brownish yellow thick liquid. It is mainly used for mycosis fungoides, senile vaginitis, cervical erosion and other diseases, can not be used for menstrual disorders. And it should be noted that this drug is prohibited within 12 weeks of pregnancy, after 13 weeks of pregnancy and lactating women should be used under medical supervision. Irregular menstruation is mainly caused by neuroendocrine disorders, glandular endocrine hormones, physiological activities on the cerebral cortex nerve center, causing ovarian dysfunction, or other diseases. Irregular menstruation caused by physiological factors can be treated and regulated with medicines such as motherwort capsule and wuji baifeng pill under the guidance of doctors. Menstrual irregularities caused by pathologic factors need to be identified and treated according to the cause of the disease. The above drugs should be used according to the doctor’s instructions, do not use without authorization, so as not to aggravate the condition.