The first thing to consider is whether the hard pressure pain around the belly button is due to various causes of abdominal distension, which can be manifested as distension and discomfort and pain in the lower abdomen. Secondly, the presence of hernia masses in the abdominal cavity, or abdominal masses caused by diseases such as enlarged mesenteric lymph nodes or pathological abdominal distension, also often make patients feel a hard pressure pain around the navel. Common causes and treatments I. Physiological causes are common intake of too cold, stimulating diet, such as icy cola, ice-cream, spicy hot, etc., as well as eating too fast, too full, or a short period of exercise or long lying after meals, and many other factors may cause abdominal distension, which can usually be relieved by rest, improving diet, etc. Second, pathological factors 1, intestinal cramps: manifested as a sudden onset, the most obvious pain around the umbilicus, can be accompanied by vomiting, cold sweat, cold hands and feet and other symptoms. It is mainly due to intestinal muscle spasm caused by intestinal dysfunction and intestinal wall ischemia, etc. It is usually recurrent and can heal itself in tens of minutes or hours, but some patients can last for several days. First of all, abdominal warmth is needed, and drugs such as cetropium bromide can be taken under the guidance of a doctor to relieve spasm, and those with pneumatosis of the intestine can be treated with drugs such as dimethylsilicone oil; 2, abdominal wall hernia: generally, umbilical hernia, inguinal hernia and other extra-abdominal hernia are common, mainly due to the bulging or protruding umbilicus caused by increased abdominal pressure, multiple pregnancies and abdominal surgery, often accompanied by abdominal pain, indigestion, vomiting and abdominal distension, and are generally treated mainly by surgery 3. Enlarged mesenteric lymph nodes: often related to mesenteric lymphadenitis, patients may have nodule-like swelling in the right lower abdomen with pressure pain, accompanied by abdominal pain, abdominal mass, abdominal distension and other symptoms, so patients feel hard around the umbilicus and accompanied by pressure pain. Patients should improve the examination, under the guidance of doctors for antibacterial, antiviral or anti-tuberculosis treatment, but generally self-limiting, positive treatment prognosis is good. 4, other diseases: such as intestinal obstruction, appendicitis, acute hemorrhagic necrotizing enterocolitis, acute pancreatitis, irritable bowel syndrome and other diseases also often cause the above symptoms, patients are advised to seek medical advice in a timely manner. Caution As there are many causes of hard pressure pain around the navel, it is impossible to name them all. When the above-mentioned condition occurs, it is recommended that patients seek medical consultation in a timely manner. Common examination methods include abdominal ultrasound, X-ray plain film examination, abdominal CT examination, etc. In addition to treatment for the condition, patients also need to eat a light, easily digestible, low-fat diet to reduce pressure on the gastrointestinal tract and to ensure adequate rest.