Contraceptive pills for women generally do not cause cerebral thrombosis, but overdose will increase the risk of cerebral thrombosis, patients need to strictly follow the doctor’s instructions to use the drug, and pay attention to its related matters. Usually, contraceptive pills are mainly used to inhibit ovulation and prevent implantation to achieve the contraceptive effect. Generally, patients may experience adverse reactions such as headache, dizziness, fatigue, drowsiness, etc. After taking the pill, some patients may also experience loss of appetite, nausea and vomiting. Some patients may also experience weight gain, menstrual disorders, breast swelling and pain, etc. However, generally moderate use of the drug will not cause cerebral thrombosis. The risk of cerebral thrombosis may be increased if the patient has high risk factors for thrombosis such as advanced age (>40 years old), smoking, and so on. Therefore, patients need to strictly follow the doctor’s instructions to take contraceptive pills, and according to their own situation, reasonable choice of contraceptive pills, so as to avoid unnecessary damage to the organism. It is recommended that women who do not have the need to have children can standardize the choice of contraceptive measures under the guidance of a doctor.