Pesticide poisoning can be manifested as the following symptoms: 1. gastrointestinal symptoms, such as nausea, vomiting, abdominal pain, diarrhea, etc. 2. respiratory symptoms, such as irritating dry pain in the throat, irritating cough, and even laryngeal edema, respiratory difficulties, etc. 3. neurological symptoms, such as dizziness, headache, nausea, vomiting, lack of mental concentration, weakness of limbs, and in severe cases, coma, convulsions, central respiratory distress, etc. 4. If the pesticide poisoning is caused by contact, the skin in contact or the whole body may appear red, swollen, painful, or allergic manifestations such as papular rash and urticaria.