Vomiting and diarrhea are mostly related to infections, poisoning or other gastrointestinal diseases; while Chinese medicine is mostly considered to be caused by external wind-cold and summer-dampness. Symptoms can be alleviated through medication, proper diet, and electrolyte supplementation. 1. If the infection will appear acute gastroenteritis symptoms, most of the cold and flu caused by gastrointestinal dysfunction, or irrational diet, so pay attention to drink more water, can prevent water electrolyte disorders; local hot compresses can reduce intestinal spasms, alleviate the symptoms of diarrhea. Can also give medicinal treatment, clinically commonly used montelukast, loperamide hydrochloride capsules, antidiarrheal symptomatic treatment. 2. If it is food poisoning caused by vomiting and diarrhea, serious symptoms need timely medical attention, if eating will not aggravate the existing symptoms, try to eat some easily digestible food and drink more water to avoid dehydration, and pay more attention to rest. 3. If it is other, such as ulcerative colitis attack will also vomit diarrhea, and accompanied by the left side of the abdomen or the lower abdomen of the slight pain or colic. Clinically used drugs mesalazine, if the condition is serious, a large number of bleeding can not be controlled patients, the need for surgical treatment.