If you suspect that you have been poisoned, you can choose to go to the emergency department or gastroenterology department according to the specific situation; if you always suspect that you have been poisoned for no reason, you can go to the psychiatry department. 1. Emergency Department: Emergency Department is available 24 hours a day, if there is a clear history of exposure to pesticides, etc., and uncomfortable symptoms, you can go to the Emergency Department in time, as soon as possible, gastric lavage, detoxification and other treatments, to avoid delays in the condition. 2. Gastroenterology: If you have abdominal pain, vomiting, nausea and other discomforts, and suspect that there is food poisoning, you can go to the gastroenterology clinic during the day, combined with the relevant examination, to determine whether there is poisoning. 3. Psychiatry: Some patients have no history of exposure to poisons, no history of unclean diet, and no symptoms of discomfort, but they always suspect that they are poisoned, so they may have psychiatric abnormalities, and can go to the psychiatry department.