Upper abdominal bulge may be related to pancreatic pseudocyst, stomach tumor, abdominal wall lipoma and other reasons, need to be further differential diagnosis by the doctor. 1. Pancreatic pseudocyst: it may have symptoms such as hidden pain in the abdomen, persistent feeling of fullness, loss of appetite and so on, and it can also be touched with a soft mass in the abdomen. 2. Stomach tumor: if the size of the stomach tumor is large, the thin body type may manifest as bulging in the upper abdomen. 3. Lipoma of the abdominal wall: if there is a lipoma on the abdominal wall, it may also be manifested as a bulge in the upper abdomen. It is recommended that people with abdominal bulge should go to the hospital for consultation in time, clarify the cause of the disease and carry out standardized treatment under the guidance of doctors, so as to avoid the delay of the disease and bring adverse effects to the body.