Daying 35 is ethinyl estradiol cyproterone, which is usually taken for 7 consecutive days to have a contraceptive effect, and must be standardized use of the medication, once the missed dose can easily lead to contraceptive failure. Ethinyl estradiol cyproterone is a common short-acting contraceptive, usually from the first day of menstruation or menstruation 2-5 days to start taking, need to be taken for 7 consecutive days to have a contraceptive effect. If the pill is missed in the middle, it can easily lead to contraceptive failure. Long-term use of dacrylestrenol cyproterone will damage the liver and kidney function, so we should pay attention to regular review of the liver and kidney function. It is contraindicated for women suffering from cardiovascular and cerebrovascular diseases, liver tumors and so on. Taking ethinyl estradiol cyproterone should be standardized under the guidance of a doctor, avoid unauthorized use of medication to prevent adverse consequences.