An 11-month-old baby with a hernia can wear a hernia belt or be considered for surgery. If the baby has a hernia, it may be an inguinal hernia, inguinal hernia within half a year of age may heal by itself, if more than half a year of age, when the inguinal hernia does not heal by itself, you can consider surgical treatment, so after the 11 months of the baby has an inguinal hernia, surgical treatment is feasible. After the baby got a hernia, there may be umbilical hernia, within two years of age, generally conservative treatment, you can wear a hernia belt, can play a role in pressurization, can prevent the recurrence of the swelling, umbilical hernia may be self-healing, so 11-month-old baby got an umbilical hernia, can be treated conservatively. It is recommended to go to the hospital, need to clarify the type of hernia, and then can decide how to treat.