Foods that cause vomiting and diarrhea include two kinds of food: First, due to the food in the cooking process is not cooked thoroughly, raw and cold diet can lead to vomiting and diarrhea, in fact, it is due to gastrointestinal tract dysfunction. Second, food contaminated by toxins or food itself contains toxins can lead to symptoms of vomiting and diarrhea, in fact, food poisoning, and the types of food poisoning, including the food itself contains toxins, in the process of processing the toxins are not completely removed, or the food is contaminated by chemical and other toxic substances caused by food poisoning. Third, the food is contaminated by bacteria, due to bacteria and their toxins can lead to the phenomenon of food poisoning, food poisoning will appear after nausea, vomiting, abdominal pain, diarrhea, nausea, dehydration and other phenomena, should be timely in the hospital to take measures to ensure that the patient’s physical health.