Stomach belching (burping) is also called hiccups. It is a phenomenon in which gas from the stomach is expelled through the esophagus. It may be caused by improper diet, gastrointestinal dysfunction, gastritis and other diseases. 1. Improper diet: when taking too much cold, greasy, fried, barbecue and other foods, gastrointestinal peristalsis slows down, the food stays in the stomach for a longer period of time leading to the accumulation of gas, the symptom of hiccups may occur. 2. Gastrointestinal dysfunction: Anxiety, lack of sleep, fatigue and other triggers may slow down the gastrointestinal peristalsis, resulting in gas accumulation and hiccups. 3. Gastritis: when there is a long-term diet, alcohol, medication, Helicobacter pylori infection and other triggers, may lead to gastric mucosal congestion, edema or even erosion, thus affecting absorption and peristaltic function hiccup symptoms. Once the symptoms of hiccups appear, it is also necessary to go to the hospital for further examination of gastroscopy, Helicobacter pylori breath test and other programs to find the cause.