Perioperative considerations for pediatric prepuce, cryptorchidism, inguinal hernia, and syringomyelia Preoperative 1. No respiratory infection, gastrointestinal infection, and normal body temperature for at least 2 weeks prior to surgery; no other systemic diseases that are serious or cannot tolerate anesthesia and surgery prior to surgery. 2.Preoperative examination is required: routine blood, coagulation screening, liver function, electrocardiogram, chest X-ray and other examinations. Postoperative 1.After complete awakening from anesthesia, generally 4-6 hours after surgery, you can resume eating, it is recommended to try warm water first, no uncomfortable reaction, you can gradually transition to normal diet. 2.The child should be kept quiet after surgery to avoid the adverse effects of strenuous activities, and sedative drugs can be applied if necessary. The wound may occasionally have a small amount of blood oozing without treatment parents do not need to be too nervous. 3, scrotum, inguinal surgery after the scrotum redness, edema, is a normal phenomenon, generally 1-2 weeks will gradually reduce the swelling, no special treatment, please do not use hot towels outside, which will be harmful to the testicles. 4, after surgery inguinal hernia or syringomyelia have individual children recurrence, may be related to constipation, cough, strenuous exercise and other factors that increase abdominal pressure, after surgery should pay attention to these conditions, if recurrence at least six months after the surgery treatment. 5, there will be more yellow discharge after surgery is normal, no need to be nervous. Individual children may have a re-narrowing of the prepuce after surgery, and they should go to the hospital for a follow-up examination 1 week, 2 weeks, 1 month and 3 months after surgery. 6.Most of the testicles of cryptorchidism are poorly developed, some are dysplastic and the testicles are separated from the epididymis. Testicular retraction and atrophy may occur after surgery, which requires long-term follow-up after surgery. 7.Keep the wound dry and clean to avoid contamination.