Poisoned rat poison has been banned in our country in the form of pesticide or rodenticide. Its poisoning is mainly neurotoxic, and it is very difficult to rescue, and the mortality rate is relatively high. Nowadays, many poisonings are caused by accidental ingestion, possibly contaminated food, and suicide. The consequences of poisonous rat poisoning are very serious, from the entry into the body to the absorption including the onset of the disease is relatively short, so bring other especially neurological, including brain damage is very serious, early treatment is still based on gastric lavage, as far as possible to exclude or wash away the poison or suspicious poison, and the subsequent treatment has a great relationship, so the first time is to lavage or vomiting, the poison out, but also through blood purification to remove the poison.