The hardness around the navel and pain when pressed may not necessarily be caused by intestinal cancer, but may be related to indigestion or umbilical infection. The hardness around the navel is mostly caused by umbiliculitis, which may be caused by pathogen infection due to unclean local hygiene and low body resistance; it may also be caused by abdominal distension, which is a common digestive symptom, mainly due to gastrointestinal distension, ascites caused by various reasons and abdominal tumor. When there is too much air in the stomach or poor digestion and absorption, too much gas is produced in the gastrointestinal tract, and the gas in the intestine cannot be expelled from the anus, it will also manifest as hardness around the navel and pain when pressed. During the treatment period, patients should eat a light diet, eat more protein-rich and fiber-rich foods to ensure the body’s nutritional supply, rest as much as possible, and do not engage in overly strenuous physical work.