The belly button does not hurt when pressed, may be caused by soft tissue infection of the abdominal wall, may also be caused by inflammation of the abdominal organs secondary to peritonitis. 1. Abdominal wall soft tissue infection: first of all need to look at the skin surface with or without redness and swelling, and secondly need to check the local skin with or without lumps, swelling, if the subcutaneous palpable lumps, the local skin temperature is elevated, the pain is obvious when the lumps are pressed, then it can be diagnosed as subcutaneous soft tissue infection. 2. Abdominal organ infections: inflammation affects the peritoneal tissue, which can also lead to obvious pain when pressing, common causes such as appendicitis, acute gastroenteritis, pancreatitis and other inflammatory diseases, in addition, intra-abdominal hemorrhage, the stimulation of the peritoneal membrane by the blood will also appear when pressing pain. If you are experiencing pain when pressing on the navel, you should consult a doctor in time to avoid delaying the treatment.