Contraceptive pills can regulate menstruation, mainly: first, when women have prolonged menstrual cycles, irregular vaginal bleeding, which is caused by hormone level secretion disorders, you can take oral short-acting contraceptive pills, such as Daying-35 and Yosmin, on the 5th day of menstruation, for 21 days, stopping the drug for about 7 days will come to menstruation, and you need to take 3 menstrual cycles, and the menstrual irregularities will be appropriately relieved. Secondly, women should pay attention to maintain a regular life and avoid exertion during the treatment with contraceptive pills. Third, if the cause of menstrual disorders is due to endocrine disorders such as hyperthyroidism and other medical diseases, need to be given to the treatment of hyperthyroidism medication for treatment, to be alleviated by hyperthyroidism, women’s menstrual disorders will naturally be properly restored. When a woman has irregular menstruation, she should be treated with medication according to the cause.