The advantages of oral contraceptives include high success rate, safety, reversibility, and regulation of menstruation, while the disadvantages are possible weight gain and menstrual disorders. Advantages 1. High success rate: If oral contraceptives are taken regularly, it has a high success rate and a low rate of contraceptive accidents. 2. Safe: Oral contraceptives contain low levels of estrogen, so the possibility of side effects is relatively low. 3. Reversible: pregnancy can be resumed after stopping oral contraceptives. 4. Regulate menstruation: If a woman is also suffering from irregular menstruation, oral contraceptives can also regulate the menstrual cycle and make menstruation regular. Disadvantages 1. Weight gain: Estrogen in oral contraceptives has a certain effect of sodium retention, which may cause weight gain. 2. Menstrual disorders: Contraceptive pills contain a certain amount of estrogen and progesterone, which may cause vaginal bleeding and menstrual disorders when taken irregularly. Contraceptive pills may also cause allergies and other side effects, and are contraindicated in patients with hepatic or renal insufficiency. At the same time, if you need to use the drug should be used under the guidance of a doctor, do not blindly use the drug.