Stomach pain after eating, i.e., postprandial pain, does not indicate cancer; postprandial pain is mostly characterized by gastritis and gastric ulcer, and there is no way to confirm the diagnosis based on symptoms alone. Sudden stomach pain after eating is usually a manifestation of acute gastritis, which can be accompanied by nausea, vomiting, diarrhea, fever symptoms, while frequent stomach pain after eating may be chronic gastritis. Pain after meals need to do gastroscopy to further clarify, should be under the guidance of the doctor oral medication. Life should pay attention to less spicy, stimulating diet, but also pay attention to stomach warmth, work and rest, exercise and so on. If repeated stomach pain is not relieved, need to exclude pancreatitis, gallbladder stones or intestinal obstruction patients or digestive tract perforation and other diseases. In conclusion, stomach pain after eating is not necessarily stomach cancer, it is usually an atypical manifestation of digestive system and stomach diseases, gastritis, gastric ulcer may appear stomach pain after eating. If stomach pain after eating occurs, it is recommended to go to the hospital to find a gastroenterologist to identify it, and if necessary, do gastroscopy, which can visualize the performance of the mucous membrane of the stomach. Gastric cancer patients also often show pain after eating, and the pain may not be routinely identified with chronic gastritis pain.