Feeling empty stomach is generally an indication of hunger, which may be caused by eating too little, but also may be caused by gastrointestinal diseases, generally common in the following causes: a. Physiological factors: some patients themselves eat less, but consumption is relatively large, the phenomenon of empty stomach. In addition, some patients do not eat regularly and do not adjust the timing of their three meals, also prone to the feeling of empty stomach. Pathological factors: 1, chronic gastritis: gastritis is generally stimulated by gastric acid, resulting in a decrease in gastric mucosal defense, gastrointestinal dysfunction, thus feeling empty stomach; 2, gastric ulcer: gastric ulcer is a kind of peptic ulcer disease, the patient during the disease increased secretion of gastric acid, accelerating the rate of decomposition of food, thus causing the phenomenon of empty stomach; 3, other diseases: such as diabetes, thyroid Hyperthyroidism, these two diseases patients metabolism is faster, the body’s energy consumption is faster, if not timely replenishment, it is easy to appear the empty stomach situation. It is recommended to develop good eating habits to avoid affecting the gastrointestinal function. If the stomach is empty for a long time, it is recommended to visit the gastroenterology department in time to clarify the cause and carry out targeted treatment.