Poisoning symptoms: acute poisoning caused by ingestion, about half an hour to a few hours can occur, more than 12 hours of onset, immediate onset of ingestion. Mild intoxication: general discomfort headache, dizziness, weakness, blurred vision, vomiting, sweating, salivation, drowsiness, sometimes muscle tremors, occasionally diarrhea. Moderate poisoning: In addition to the above symptoms, severe vomiting, abdominal pain, restlessness, convulsions, dyspnea, etc. Severe poisoning: epileptoid convulsions. 1) If it touches the skin or spills into the eyes, leave the scene immediately to remove the poison, take off the contaminated clothes, and immediately rinse with plenty of water for at least 15 minutes. 2) 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) If accidentally inhaled, immediately move the victim to the air circulation. In severe cases, ask a doctor for symptomatic treatment.