The baby’s belly button may be protruding out of the umbilical hernia, abdominal distension and other causes, clinically can be treated through conservative, surgical and other methods. 1. Umbilical hernia: baby belly button protrudes out if diagnosed as caused by umbilical hernia, early umbilical hernia back into the umbilical hernia, and then use the tape or bandage to fix the improvement. If the umbilical hernia is more serious, it needs to be treated by surgery. For example, high ligation hernia repair. 2. abdominal distension: ligation of the umbilical cord naturally fall off, will leave part of the stump, manifested in the child’s belly button protruding, usually with breathing, crying and increase, with the extension of time, will gradually return to normal, generally without treatment. The baby belly button protrudes out of the recommended timely visit to the hospital to identify the cause of the disease, and actively cooperate with the doctor for treatment.