How long it takes to pass the danger period after taking rat poison depends on the type of rat poison, the dose taken, whether the rescue treatment is timely and the individual differences of the patient, and cannot be generalized. If the rat poison taken is less toxic, the dose is small, and timely treatment of vomiting, diarrhea, gastric lavage. Generally when the vital signs are stable, it is considered to pass the danger period, which is usually about 1 week. If the rat poison taken is more toxic and the dose is larger and the treatment is not timely, bleeding and poisoning symptoms can generally appear within 12-24 hours and reach the peak of poisoning in 3-7 days, which may lead to the death of the patient within a short period of time, and for patients who take it chronically for a long time, symptoms may appear only after two weeks. Once rat poisoning is detected, it should be treated actively and close observation for possible clinical abnormalities is required. If rat poison is consumed, it is recommended to go to the emergency department of the hospital for emergency treatment in a timely manner. The diagnosis can be clarified by blood system examination, and symptomatic support treatment will be provided by professional doctors according to the specific condition of the patient.