The hardness and pain around the belly button may be caused by intestinal flatulence, intestinal obstruction, appendicitis and other diseases, the patient should consult a doctor in a timely manner to clarify the cause of the disease. 1. Intestinal flatulence: indigestion, pelvic inflammatory disease and other factors caused by excessive gas in the abdominal cavity, the patient will have an increase in abdominal circumference, hard and hard around the navel a press a little pain, abdominal pain and other symptoms, should be actively looking for the cause of flatulence of the original disease, and its treatment. 2. Intestinal obstruction: if the patient’s belly button around the hard a press a little pain at the same time have stopped defecation, nausea and vomiting and other symptoms, should be considered to be caused by intestinal obstruction, this group of people should be fed intravenously into the fluid, fasting water, gastrointestinal decompression, and if necessary, surgical treatment. 3. appendicitis: when the appendix inflammation perforation rupture, the patient will have the right lower abdominal pain, pressure and pain around the umbilicus hard a press a little pain, should actively prepare for surgery. Hardness around the navel a little pain when pressed is also seen in other causes, should consult a doctor in time, under the guidance of a professional doctor standardized treatment, so as to avoid delays in the condition.