Right upper abdominal pain, aggravated by hunger, relieved by pressure, the most common causes of duodenal ulcer, cholecystitis, intestinal spasm, and so on. 1. duodenal ulcer: duodenal ulcer, there will be obvious symptoms of hunger pain, this is because of the increase in gastric acid secretion during hunger, the duodenal ulcer site stimulation, resulting in local spasm, spasm relief after pressure, the pain can be temporarily reduced. 2. cholecystitis: the gallbladder is also located in the right upper abdomen, stones and other factors will induce the occurrence of cholecystitis, cholecystitis attacks will be manifested as involving pain. In hunger, the nerve sensitivity is increased, and when pressed, the nerve sensitivity is weakened, and the above symptoms will also appear. 3. Intestinal spasm: poor diet, cold and other factors may irritate the intestines, causing intestinal spasm, resulting in pain in the right upper abdomen, the spasm is relieved by pressure, and the pain may be alleviated. The above situation may also be related to enteritis, intestinal obstruction, etc. When the symptoms of pain in the upper right abdomen persist and cannot be relieved, it is recommended to consult a doctor in time, to clarify the cause of the disease under the guidance of the doctor and to carry out standardized treatment, so as to avoid delaying the condition.