Stomach pain, vomiting and wanting to defecate may be caused by improper diet, stomach diseases, intestinal diseases, etc. Patients should go to the hospital promptly for gastroscopy, colonoscopy and other related examinations to clarify the causes and then treat them symptomatically. Common causes and related suggestions are as follows: a. Inappropriate diet: eating spicy and stimulating, cold, raw and hard, or spoiled or overnight food stimulates the mucous membrane of the gastrointestinal tract, causing patients to have stomach pain, vomiting and wanting to defecate, which can be relieved by adjusting the diet to relieve the discomfort. Patients are advised to eat a light diet, avoid irritating foods, and do not eat spoiled and overnight foods. Pay attention to rest and keep warm properly, thus relieving the pain level. You can also drink more water to neutralize food irritation to the gastrointestinal tract and relieve the pain. Second, stomach diseases: 1, chronic gastritis: due to unclean diet, cold, alcohol, drugs, emotions and other triggers lead to damage to the gastric mucosa, which in turn leads to the patient’s stomach pain, want to vomit, want to defecate. You can apply drugs that inhibit gastric acid secretion, protect gastric mucosa and promote gastric motive force, such as omeprazole, aluminum thioglycollate, domperidone, etc., as prescribed by the doctor. If there is H. pylori infection, it can be treated with H. pylori quadruple therapy, including proton pump inhibitors, two antibacterial drugs and bismuth; 2. Gastric ulcer: inflammatory defects occur in the gastric mucosa and the lesions penetrate the mucosal muscle layer or reach deeper layers, causing the patient to have stomach pain, want to vomit and want to defecate. Treatment should pay attention to more rest, avoid spicy and irritating food, and avoid drinking coffee and strong tea. Taking NSAIDs such as ibuprofen and aspirin is contraindicated. Drugs that reduce the concentration of gastric acid, eradicate H. pylori and protect the gastric mucosa, such as cimetidine, omeprazole, bismuth, etc., can be used as prescribed by the doctor. If the gastric ulcer is treated with drugs, the ulcer is not healed, the efficacy is not satisfactory, or the gastric ulcer causes serious complications, such as gastric ulcer bleeding, gastric perforation, pyloric obstruction, cancer, etc., then surgery is needed; 3. Duodenal ulcer: H. pylori infection and the application of non-steroidal anti-inflammatory drugs, stimulation and damage to the gastrointestinal mucosa, that is, stomach pain, vomiting, and the desire to defecate. Treatment can be taken to eradicate H. pylori quadruple therapy, namely proton pump inhibitors + two antibacterial drugs + bismuth, and drug therapy to inhibit gastric acid secretion, such as pantoprazole, omeprazole, etc. Duodenal perforation repair is feasible if necessary. Third, intestinal diseases: 1, colitis: inflammation involving the colon, stimulating the colonic mucosa, patients may experience abdominal pain, discomfort, vomiting, and the desire to defecate. Usually treated with salicylic acid preparations of salazosulfapyridine. If the symptoms are severe or accompanied by serious complications, surgery is required for treatment; 2. Proctitis: inflammation of the internal mucosa of the rectum and anus, patients may develop systemic symptoms or involve other parts of the gastrointestinal tract disorders, manifested as stomach pain, vomiting, wanting to defecate. In the acute attack or serious condition should be bed rest, remission period appropriate rest, pay attention to the combination of work and rest. Ulcerative proctitis can be relieved or eliminated by aminosalicylic acid preparations, glucocorticoids, immunosuppressants, probiotics and other drugs to relieve or eliminate inflammation. Proctitis caused by microbial infection requires anti-infective treatment corresponding to the pathogenic bacteria, such as proctitis caused by bacterial infection can be treated with antibiotics, such as doxycycline, and proctitis caused by viral infection can be treated with antiviral drugs, such as acyclovir.