The surgery for cryptorchidism in children takes about a week or so. Before the surgery, preoperative preparation is needed, and relevant tests such as scrotal ultrasound, scrotal nuclear scan and inguinal nuclear scan, basic routine such as blood, urine and fecal routine, chest X-ray and electrocardiogram are needed to exclude heart and lung diseases. After the surgery, intensive care is needed, which also takes about a week. Cryptorchidism surgery in children takes about a little more than a week. After cryptorchidism surgery in children, it is recommended to rest in bed as much as possible and not to do strenuous activities, because strenuous activities may lead to loosening of the testicle fixation and even further recovery of the testicle to the groin area, making the surgery fail.