Long-term contraceptive pills generally refer to long-acting contraceptive pills, the advantages of which are long-term contraception, no need to take it every day, etc.; the disadvantage is that there may be an increase in leukorrhea and so on. It is recommended that they must be taken under the guidance of a doctor and should not be used without authorization. 1. Advantages: (1) long-term contraception: through the inhibition of the hypothalamus-pituitary-ovarian axis to inhibit ovarian ovulation, the half-life is longer, the effect of the drug is longer, you can achieve long-acting contraceptive effect. (2) No need to take the pill every day: you can take the pill on the day of menstruation, take the pill once after lunch on the 5th day, and take the pill for the second time at an interval of 20 days, etc., so you don’t need to take the pill every day. (2) Disadvantages: Due to the toxicological effects of the drug, a small number of doses may lead to increased leukorrhea, and may also lead to increased menstrual flow, prolonged menstruation, and so on. In addition to the above, the long-acting contraceptive pill may also lead to menstrual changes. In addition, long-term contraceptive pills are not suitable for everyone. It is recommended to choose contraceptive pills according to the doctor’s advice and not to take the pills blindly. If you have any other questions, it is recommended to consult a professional doctor for guidance.