1.Turn up the foreskin and wash it with warm water, apply medicine after washing, and then turn down the foreskin 1-2 times a day. 2.If you can’t turn it down after washing, you should come to the hospital as soon as possible, otherwise it may lead to serious consequences such as penile edema, ischemia and necrosis. 3.Usually it should be done 3-5 times, once a week. 4.Eat less spicy and stimulating diet within one week after surgery. 5, after completely done to adhere to the drug application for a week. Afterwards, it should be often completely turned over and cleaned to prevent re-adhesion.