Contraceptive pills are hormonal drugs, taking too many of them may cause menstrual disorders, weight gain, physical discomfort and other hazards. 1. Menstrual disorders: Contraceptive pills are hormonal drugs, taking too many of them will cause changes in hormone levels in the body, affecting the cyclical changes in the endometrium and leading to menstrual disorders, which may result in early menstruation, prolonged menstruation, and increased menstrual flow, among other symptoms. 2. Weight gain: It may cause the estrogen level in the body to be too high, which may easily cause water and sodium retention, and then may cause tissue edema, and eventually lead to weight gain. 3. Physical discomfort: taking too many birth control pills may affect the body’s normal digestive function, and patients may experience a series of physical discomfort symptoms, such as dizziness, fatigue, nausea, vomiting, and so on, thus affecting physical and mental health. The pill is only a means of contraception, but it is not recommended to take more, you can use other methods of contraception, such as condoms, placement of birth control rings.