Food poisoning mostly strikes within 24 hours, but there are individual differences in the time of onset of specific symptoms, which may also occur within minutes or hours. Food poisoning is associated with the ingestion of food contaminated with microorganisms, their toxins, poisons, etc., or food containing toxins. In general, the onset of the disease is more rapid, and the corresponding acute gastrointestinal manifestations will appear within 24 hours; or the onset of the disease is shorter due to the sensitivity of the body, toxicity, etc., and the symptoms may appear within a few minutes or a few hours. The symptoms of food poisoning are acute gastrointestinal symptoms, which may include abdominal pain, nausea, vomiting, diarrhea, dizziness and fatigue. People with symptoms are advised to seek prompt medical attention to clarify the cause and diagnosis, and to treat the symptoms aggressively.