Diarrhea, nausea, vomiting and stomach distress are mainly digestive symptoms, which may be caused by gastroenteritis, food poisoning and other reasons, and require targeted treatment after clarifying the cause. A, gastroenteritis 1, acute gastroenteritis: diarrhea, nausea, vomiting is the typical performance, mostly due to external stimulation or unclean diet. If the patient has nausea and vomiting, you can use omeprazole enteric tablets, rabeprazole and other acid-suppressing drugs and metoclopramide to relieve; if accompanied by fever, you can use norfloxacin capsules or levofloxacin capsules for anti-infection treatment; if accompanied by diarrhea symptoms, you can take antidiarrheal agent montelukast, or probiotic bifidobacterium to regulate the intestinal flora and improve diarrhea Symptoms. If the symptoms of diarrhea or vomiting are serious, intravenous rehydration is required according to medical advice; 2. Chronic gastroenteritis: chronic gastroenteritis is often caused by dysbiosis of the gastrointestinal flora, mainly manifested as nausea, diarrhea, abdominal pain, etc. Patients can use medication according to medical advice, such as Ginseng and Atractylodes, Huo Xiang Zheng Qi soft capsule, Huang Lian Su tablets, Belladonna tablets, etc. In daily life, patients should eat regularly and avoid eating cold, spicy, stimulating and greasy food to avoid aggravating the burden on the gastrointestinal tract. Secondly, patients with food poisoning mainly show nausea, vomiting, abdominal pain, diarrhea, etc. Sometimes it can also be accompanied by neurological symptoms such as headache, dizziness, weakness, blurred vision, difficulty in breathing, convulsions, coma, or mental symptoms such as irritability, hallucinations, hallucinations and self-talk. In this case, it is necessary to go to the hospital immediately for emergency treatment, and carry out methods such as emetic or gastric lavage to quickly remove the poison from the stomach, and carry out symptomatic treatment and prevent complications under the guidance of a doctor.