The first of these is the “stomach ache”, which is related to bad eating habits, stomach diseases or food poisoning, and it is recommended that patients go to the hospital in time for symptomatic and causal treatment. 1, bad eating habits: eating too fast, too full, swallowing, or food is too spicy, greasy, stimulating, etc., which can easily cause the gastrointestinal burden to increase, resulting in the phenomenon of stomach ache after meals. Can follow the doctor’s instructions to take digestive drugs, such as stomach tablets, and can be supplemented with drugs to protect the gastric mucosa, such as aluminum phosphate gel to relieve the symptoms of discomfort. In addition, the three meals a day should pay attention to the regular diet, eat chew slowly, avoid overeating, avoid eating spicy, stimulating, cold, cold food, to develop a good diet and eating habits; 2, stomach disease: after eating, the stomach will produce a large amount of gastric acid to help digestion, and gastric acid has a certain corrosive, suffering from gastric ulcer, gastritis and other diseases, the phenomenon of gastric cramps easily after meals. Patients with gastric ulcer and gastritis can take omeprazole, rabeprazole and other proton pump inhibitors to inhibit gastric acid secretion under the guidance of a doctor, supplemented by gastric mucosal protective agents such as aluminum thioglycollate for treatment; 3. Food poisoning: Eating unclean, overnight, moldy food can easily lead to bacterial or viral infection and food poisoning symptoms such as gastric cramps, nausea and vomiting, fever and diarrhea. Patients are advised to rest in bed and eat properly if necessary to avoid heavier gastrointestinal burden. Since food poisoning is often accompanied by vomiting and diarrhea, timely rehydration is recommended to avoid electrolyte disorders. Patients with severe symptoms and timely detection can be given treatment such as gastric lavage and enema. Patients with bacterial infection can take antibiotics such as penicillin and cephalosporin for anti-infection treatment as prescribed by the doctor, and other patients with more definite toxicity can be treated with targeted continued anti-toxic serum. In daily life, patients are advised not to eat overnight food, expired food, etc., and to eat less from roadside stalls where food hygiene is not guaranteed, etc. Food cooking should be thoroughly cooked to avoid food poisoning.