Stomach pain when hungry may be due to duodenal ulcer, chronic gastritis and other reasons. 1. Duodenal ulcer: the typical symptom is abdominal pain, that is, stomach pain when hungry, because the stomach acid secreted when hungry, there is no food to neutralize the stomach acid, a large amount of stomach acid stimulation of the ulcer foci caused by stomach pain, which can be relieved after eating, accompanied by acid reflux, heartburn, belching, nausea, loss of appetite and other symptoms. 2. Chronic gastritis: gastric mucous membrane damage, erosion, stomach pain when hungry, bloating, nausea, acid reflux and other symptoms. The stomach pain when hungry, may also be seen in normal physiological conditions, it is recommended that timely medical care to identify the cause of the disease, in accordance with the doctor’s instructions standardized treatment, so as to avoid delaying the condition.