The following are some of the characteristics of food poisoning: 1. Short incubation period, the incubation period of patients with food poisoning is relatively short and the onset is very sudden. The onset of the disease can occur within 10 minutes or 10 hours after eating the poisonous food, and the condition can easily appear explosive, and the patient can easily develop the disease within a short period of time. 2. Similarity of illness, the condition of patients with food poisoning is similar, and most of them have gastrointestinal symptoms, mainly neurological symptoms. 3. The disease will develop together. The disease will be relieved after the source of infection is removed.4. It is seasonal, generally food poisoning occurs mostly in summer and autumn, and there are seasonal changes.