Upper abdominal masses can be seen in the following diseases: First, they occur in gastric tumors, which are more common in middle-aged and elderly patients, and usually also have epigastric pain, acid reflux, belching, burning sensation, and significant appetite loss and weight loss, while the most common are gastric ulcers, or even ulcers that have become malignant. Early diagnosis should also promptly choose surgical treatment, and the occurrence of these diseases and daily life, unreasonable diet structure related. In addition, Helicobacter pylori infection can also lead to the occurrence of ulcers. Second, there are also some patients who develop pancreatic pseudocysts secondary to pancreatitis. Patients may present with an epigastric mass, also with nausea, vomiting, abdominal distension, and even steatorrhea. Ultrasound or CT examination may reveal cystic solid occupying lesions, requiring surgery if necessary.