The redness of the foreskin is not allowed to have intercourse. When the foreskin is red and swollen, it is recommended that the patient consult a doctor in time, and then consider coitus after the condition is completely treated. Erythema of the foreskin can be caused by long prepuce, prepuce, poor genital hygiene, sexual abrasion, unclean sex, as well as Candida albicans, trichomonas, chlamydia, mycoplasma, gonorrhea diphtheria, and other pathogenic bacterial infections. Any of the above causes of circumcision are not allowed to have sex, if forced to have sex, will not only aggravate their own condition, but also jeopardize the health of the woman, may lead to reproductive tract infections and other gynecological diseases, so the circumcision red and swollen do not have sex. Patients with swollen foreskin should consult a doctor in a timely manner, follow the doctor’s instructions for appropriate treatment, and avoid sex during the treatment period, to be completely treated, before considering cohabitation.