It is possible to have intercourse while the patient is taking ethinyl estradiol cyproterone tablets, an oral contraceptive, also known as Daing-35, which should be taken regularly and at the same time every day. If the drug is not taken regularly, it can easily cause adverse reactions such as vaginal bleeding, menstrual disorders, endocrine disorders and other episodes, as well as contraceptive failure. It should be noted that when taking the drug, it is prohibited to use it if there are lesions such as cerebrovascular disease, hypertension, hyperlipidemia, thrombophilia and genital cancer. Especially in the case of smoking, it is easy to cause the aggravation of the lesion. When taking the drug, it is necessary to quit smoking and it is recommended to take it according to the condition under the guidance of a professional doctor to reduce the occurrence of adverse reactions.