The manifestations of organophosphorus pesticide poisoning include muscarinic symptoms, nicotinic symptoms, central nervous system symptoms and local damage. 1. Muscarinic symptoms: often manifested as pupil narrowing, abdominal pain, diarrhea and other smooth muscle spasm symptoms; sweating, tearing and other symptoms of increased secretion of glands; coughing, shortness of breath, respiratory distress and other symptoms of increased airway secretion, and so on. 2. Nicotine-like symptoms: it can be manifested as muscle fiber fibrillation, generalized muscle tonic spasm, and some patients can also be manifested as hypokinesia, respiratory muscle paralysis, and so on. 3. Central nervous system symptoms: including headache, dizziness, agitation, convulsions, coma, etc. 4. Local damage: organophosphorus contact with the skin can cause allergic dermatitis, skin blisters and so on. If the symptoms of organophosphorus pesticide poisoning, it is recommended to go to the emergency department of the hospital in a timely manner for consultation and treatment.