Whether you can have sex after the scab falls off after circumcision should depend on the actual situation. If the scab falls off due to excessive friction and is accompanied by oozing pain, sexual intercourse is not allowed. If the scabs fall off by themselves about one month after the operation, you can have sex. After circumcision, due to the existence of surgical incision, may gradually scab, if in the process of scabbing, some strenuous exercise, resulting in excessive friction of the scab body, so that the scab body fall off, and there is mild local pain and oozing, can not have sex, to avoid affecting the recovery. After scabbing, no excessive stimulation, about one month after the operation, the scabs fall off by themselves, and the incision site is healing well, at this time you can have sex, generally will not cause adverse effects.