Small abdominal distension and swelling in the morning may be caused by intestinal obstruction, gastroenteritis, cirrhosis and other diseases, which can be relieved by general treatment, medication and surgical treatment. 1. Intestinal obstruction: it refers to the obstruction of the passage of intestinal contents caused by any reason, with clinical manifestations such as abdominal distension and abdominal pain, etc. Surgical treatments can lift the obstruction or restore the intestinal lumen to be smooth, such as adhesion release surgery, intestinal incision and intestinal anastomosis. 2. Gastroenteritis: usually caused by microbial infections, can also be caused by chemical poisons or drugs. Typical clinical manifestations are diarrhea, nausea, vomiting, abdominal distension and abdominal pain. It can be treated with medication, commonly used drugs such as norfloxacin and moxifloxacin. 3. Cirrhosis: it is a pathological stage in which various chronic liver diseases have been developing and eventually characterized by chronic inflammation of the liver, diffuse fibrosis, pseudofollicularity, regenerative nodules and proliferation of blood vessels inside and outside the liver, which also leads to bloating of the abdomen and swelling in the morning, and can be treated with medication for ascites, and commonly used medications are spironolactone, furosemide, and so on. The above drugs should be used under the guidance of a specialized physician. If the above symptoms continue to be unrelieved, timely medical treatment is needed, and the medication should be used under the guidance of a specialized physician and in accordance with the doctor’s prescription.