Patient: A hard bump often appears at the root of the right leg and returns when pressed by hand. He is 3 years old, can it grow back on its own? If not, when is the best time to operate? What is the approximate cost of surgery? How many days after surgery can I leave the hospital? The diagnosis of “inguinal hernia in children” is basically clear from the situation you described. The only reliable and safe treatment is surgery. Surgery is the only reliable and safe treatment method. It is not only unreliable and prone to recurrence, but may also cause local vasovaginal adhesions or even intestinal adhesions. The surgery is divided into open surgery and laparoscopic surgery, each with its own advantages and disadvantages, but both are mature and safe. We apply laparoscopic surgery, you can bring your child to see it when you have time. I will give you detailed answers.