Food poisoning is mainly an acute disease caused by eating toxic substances or spoiled food, and occupies a major position in acute poisoning events. Patients may experience gastrointestinal symptoms such as nausea, vomiting, abdominal pain, diarrhea, and in severe cases, weakness of limbs, numbness of nerves, and even coma from shock. Therefore, if food poisoning occurs, medical treatment should be sought immediately. Most of the symptoms of food poisoning are characterized by a short incubation period, generally ranging from a few minutes to several hours, and can be “explosive” to seek medical treatment; 2. There are obvious seasonality, and food poisoning caused by bacteria or toxic food, such as poisonous mushrooms and unclean seafood, is more frequent in summer and autumn. In autumn and winter, meat-related poisoning, such as botulinum toxin poisoning and nitrite poisoning, is more common. II. Treatment 1. Emetic treatment: It mainly includes gastric lavage and diarrhea, which are mostly carried out in the early stage of food poisoning. These methods can expel unabsorbed toxic substances from the body as soon as possible, but if the patient already has violent vomiting and diarrhea symptoms, it is usually unnecessary to perform emetic treatment, gastric lavage and diarrhea to avoid causing further loss of body fluids, aggravating the condition and increasing the pain; 2. Supplemental fluids: Patients with food poisoning usually lose water and electrolytes in the body or even cause acidosis and shock due to violent vomiting and diarrhea. Therefore, patients should be given more saline, glucose, electrolyte oral solution, and serious patients can be supplemented with glucose, saline and electrolytes through intravenous access; 3. Drug treatment: most of the gastrointestinal food poisoning can be treated with antibiotics to control pathogenic bacterial infection; neurological food poisoning can be treated with antitoxin serum; if there are convulsions or convulsion symptoms, antispasmodics or anticonvulsants can be used for treatment. 4. Other treatment: If the patient has respiratory difficulty, he needs help with ventilation, common as mechanical ventilation support treatment; if there is respiratory and cardiac arrest, first aid measures such as cardiopulmonary resuscitation should be carried out in time. During the treatment period, patients should eat some light and easily digestible food, such as shrimp porridge, clear noodles in soup, etc. Avoid eating some greasy and spicy food, such as fried chicken and chili peppers, to avoid overburdening the stomach and intestines and affecting recovery.