Standing stomach discomfort, sitting better, consider that may be related to certain gastrointestinal diseases, such as gastric ulcer, gastric ptosis, duodenal congestion, chronic pancreatitis and so on. 1. Gastric ulcer: For patients suffering from gastric ulcer, especially in the greater curvature of the stomach or gastric sinus and other parts of the stomach, stomach pain symptoms will be felt when standing, sitting, lying down when the gravity changes, the symptoms will be reduced. 2. Gastric ptosis: the position of the stomach is lowered to the pelvis due to certain reasons. After overeating, the pressure inside the stomach increases, and the symptoms of gastric discomfort will appear when standing, and the discomfort will be relieved when sitting or lying down. 3. Duodenal congestion: The pain usually occurs in the right upper abdomen, umbilicus, and may even radiate to the back. The pain can be relieved when sitting or lying on the knees and chest. 4. Chronic pancreatitis: For patients suffering from chronic pancreatitis, pain symptoms may be more pronounced in the supine position, but in the sitting position, leaning forward position, etc., the discomfort can be relieved. If the symptoms of standing stomach discomfort, sitting better, it is recommended to go to the hospital in time for abdominal ultrasound, gastroscopy and other related projects, under the guidance of professional physicians to clarify the specific causes of the disease.