Occasional pain in the stomach and epigastrium may be caused by stomach cramps due to a cold abdomen or improper diet. Frequent pain in the stomach and upper abdomen is mostly due to gastritis, gastric ulcer and other stomach diseases, usually accompanied by bloating, nausea, vomiting, acid reflux, belching and other symptoms. In addition, pain in the upper abdomen may also be caused by other digestive diseases such as cholecystitis, gallstones, pancreatitis, duodenal ulcer and so on. It is recommended to go to the gastroenterology department of the hospital, through the gastroscopy, carbon 14 breath test, liver, gallbladder and spleen ultrasound examination, blood and urine amylase examination, blood routine examination to clarify the specific causes, and then further targeted treatment.