Commonly used pesticides are organophosphorus pesticides, organochlorine pesticides, organic nitrogen pesticides, etc. Symptoms of poisoning of different types of pesticides are also different, but in serious cases can be life-threatening, as follows. 1. Organophosphorus pesticides can cause poisoning through contact, inhalation and accidental ingestion. Mild poisoning can occur headache, dizziness, nausea, vomiting, fatigue, sweating, chest tightness, abdominal pain, visual impairment, etc.; moderate poisoning in addition to the above symptoms, there will be a trance, slurred speech, salivation, etc.; severe poisoning will occur in a coma, convulsions, convulsions, respiratory difficulties, cyanosis and lips. 2. Organochlorine pesticides can cause poisoning through contact, inhalation, accidental ingestion and other channels, resulting in damage to the central nervous system, liver and kidney, headache, dizziness, blurred vision, nausea and vomiting, and even muscle tremor, convulsions, coma and other symptoms. 3. Organic nitrogen pesticides can cause poisoning through contact, inhalation, accidental ingestion and other pathways, poisoning can appear dizziness, headache, nausea and vomiting, dyspnea, urinary frequency and urgency, and even convulsions, coma and other symptoms. Normally, we should be well protected in contact with pesticides, try not to use the body in direct contact or inhalation of pesticides, pesticide poisoning, must be sent to the hospital for treatment.