Large abdomen with hardness to touch is usually considered to be related to gastrointestinal dysfunction, intestinal obstruction, intestinal tumor, ascites and other factors. 1. Gastrointestinal dysfunction: such as indigestion, flatulence, constipation, etc. will appear the phenomenon of large and hard abdomen, usually accompanied by belching, abdominal distension and other symptoms. 2. Intestinal obstruction: Intestinal obstruction can also cause symptoms such as large and hard stomach, usually with nausea, vomiting, no bowel movement and other symptoms. 3. Intestinal tumor: when the tumor is big, the stomach will be big and hard to touch, usually accompanied by symptoms of weight loss and loss of appetite. 4. Ascites: Ascites caused by gastric, cardiac, venous obstruction or renal factors will also have the symptoms of large abdomen and hardness to touch. There may be other pathologic factors that cause the abdomen to be large and hard to the touch, so it is recommended to go to the hospital and take appropriate measures under the guidance of the doctor.