Vent. If the patient eats for a long time, usually more than 2-3 hours, and is in good mental state, he can take some laxatives to urge the poisoned food to be excreted as soon as possible. Generally, 30g rhubarb is decocted once, and 20g sodium sulfate can be selected for elderly patients. Taking it with boiling water can relieve diarrhea. Senna leaves 15g can also be decocted once or taken with boiling water for the elderly with good health. Detoxify. Such as food poisoning caused by eating spoiled fish, shrimp, crabs, etc. , vinegar 100ml diluted with 200ml water can be taken once. In addition, perilla 30g and licorice 10g can be taken once. If you eat spoiled drinks or preservatives by mistake, the best first aid is to fill your stomach with fresh milk or other drinks containing protein. If you pass the above first aid, you should be sent to the hospital as soon as possible. In the course of treatment, we should give patients good care, try to make them quiet, avoid mental stress, pay attention to rest, prevent catching cold, and supplement enough salty boiled water. For children, vomiting and gastric lavage can be carried out in the early stage of poisoning; Patients with severe abdominal pain and diarrhea can be injected with atropine; If dehydration occurs, replenish liquid as soon as possible; You can also drink a little liquid of salt and sugar; You can also use antibiotics. If the poisoning is caused by Botox, you should immediately send it to the hospital for emergency treatment and ask the doctor to inject anti-Botox serum.