You can’t have sex on the day of circumcision, you need to fully recover before you can.
Although circumcision is a small surgery, but it is also an invasive surgery, will cause some damage to the penis, after the operation can not have sex, you need to take a period of time to rest, to wait for the recovery of the wound of the penis, after the examination before you can have sex, otherwise it may lead to the wound symptoms aggravate, and even symptoms of infection.
Daily attention should be paid to diet, reduce spicy, stimulating, greasy food, good wound care, regular dressing change, and also minimize sexual stimulation, avoid erection.