The burning sensation in the stomach can be caused by the following reasons: firstly, it is considered to be caused by acute and chronic gastritis, duodenal ulcer, gastric ulcer, etc. Most of them are caused by eating more spicy and stimulating food, which leads to the disorder of digestion and absorption in the gastrointestinal tract of the body, and then causes the stomach acid to stimulate the gastric mucosa due to excessive secretion of gastric acid, causing the burning sensation in the stomach. Secondly, it is considered to be caused by indigestion of the body, and the eating of spicy and stimulating food, etc. leads to disorder of intestinal peristalsis, which in turn causes burning sensation in the stomach. Thirdly, it is considered to be caused by acute and chronic enteritis, which is mostly caused by inattention to diet and eating more cold foods, resulting in faster intestinal peristalsis and thus causing tummy burning. The causes of tummy burning are mainly the above-mentioned aspects, mainly related to diet, and need to go to the hospital gastroenterology department to do gastroscopy to clarify whether there is gastritis, gastric ulcer, duodenal ulcer and other diseases.