Different pesticides are metabolized at different rates in the body, and the half-life of pesticides varies. Organophosphorus pesticides are metabolized more slowly in the body, and may take 7-10 days to be completely metabolized. Organophosphorus pesticides are a very commonly used insecticide, if accidentally ingested organophosphorus pesticides can cause acute poisoning, the patient may experience nausea, vomiting, abdominal pain, diarrhea, slow heartbeat, pupil constriction, bronchospasm. In addition, there may be muscle tonus, muscle fiber tremor, followed by generalized muscle weakness, respiratory failure, and in severe cases, coma or even death. Patients with the above symptoms should go to the hospital in time for treatment, to be thorough gastric lavage and the application of detoxification drugs for treatment, active symptomatic treatment to save the patient’s life.