Empty stomach is considered to be related to physiological factors such as underfeeding and pathologic factors such as chronic gastritis. 1. Physiological factors: eating too little but consuming too much, irregular diet and other reasons can cause the stomach empty panic, but also accompanied by weakness, dizziness and other symptoms. 2. Pathologic factors: (1) chronic gastritis: chronic gastritis is caused by Helicobacter pylori infection, acid reflux and other causes of chronic inflammation of the gastric mucosa. At this time, the gastric mucosa defense function decreases, causing gastrointestinal dysfunction, resulting in vague pain in the upper abdomen, loss of appetite, nausea, diarrhea and other symptoms, but also may appear in the stomach empty panic. (2) Gastric ulcer: Helicobacter pylori, gastric acid, non-steroidal anti-inflammatory drugs and so on cause the gastric mucosa to break down, and then form ulcers. Symptoms such as nausea, vomiting, gastric distension, postprandial gastric pain and indigestion can occur. During the illness, the patient’s gastric acid secretion increases, accelerating the speed of food decomposition, thus causing the phenomenon of empty stomach. (3) hyperthyroidism: increased secretion of thyroid hormones, causing the body’s metabolism to speed up, the rate of energy consumption increases, at this time, if you do not replenish energy in a timely manner, it is easy to have an empty stomach. There are many other causes of empty stomach panic, such as diabetes. It is recommended to consult a doctor for a clear diagnosis.