There are several possibilities: 1, chronic gastritis: chronic gastritis in general has a lot to do with diet, if you eat fried greasy, stimulating spicy food, easily lead to the aggravation of pain. 2, gastric ulcer: most of the gastric ulcer may have postprandial pain, most of the postprandial pain lasts for half an hour or an hour or so can be relieved. Some gastric ulcers can appear ulcerative bleeding, if accompanied by ulcer bleeding, need active endoscopic hemostasis or surgical treatment, while gastric ulcers can also be accompanied by nausea, vomiting, abdominal distension characteristics, 3, gastroesophageal reflux disease: many times the gastroesophageal reflux disease can easily lead to pain behind the sternum, but can also be accompanied by the characteristics of hidden pain in the stomach. For this condition, you need to pay attention to your diet, quit drinking and smoking, as well as give systematic acid suppression and improve gastrointestinal function treatment. For recurrent occult stomach pain that is not relieved, it is best to improve gastroscopy or ultrasound of the upper abdomen to assist in the diagnosis and treatment.