1, poisoning symptoms: acute poisoning caused by ingestion, about half an hour to a few hours to develop. Mild poisoning: general discomfort headache, dizziness, weakness, blurred vision, vomiting, sweating, salivation, drowsiness, sometimes muscle tremor, occasionally diarrhea. Moderate poisoning: In addition to the above symptoms, severe vomiting, abdominal pain, irritability, convulsions, dyspnea, etc. Severe poisoning: epileptoid convulsions. 2, accidentally contact the skin or splash into the eyes, should immediately leave the scene to remove the poison, take off the contaminated clothes, immediately rinse with plenty of water for at least 15 minutes. 3. The patient should be sent to the hospital immediately with this label, and emergency measures such as inducing vomiting, gastric lavage and catharsis should be taken immediately. Atropine 1-5mg can be injected subcutaneously or intravenously for detoxification (depending on the severity of poisoning); Intravenous injection with praloxime 0.4-1.2g (depending on the severity of poisoning); Morphine, theophylline, phenothiazine and reserpine are prohibited. 3, accidentally inhaled immediately move the poisoned to the air flow. In severe cases, ask a doctor for symptomatic treatment.