For patients with organophosphorus pesticide poisoning, there is no such a statement as three major complications, organophosphorus pesticide poisoning can be manifested as three types of symptoms: the first type, the earliest is often a muscarinic symptoms, can be manifested as the digestive system nausea, vomiting, abdominal pain, diarrhea; respiratory can be manifested as bronchial spasms, increased secretion, tightness of the air, breathing difficulties, severe The respiratory tract may show bronchospasm, increased secretions, tightness of breath, dyspnea, and severe acute pulmonary edema. In addition, patients may show increased secretion of glands, such as tearing, salivation, and runny nose. The second category, mainly refers to some nicotinic symptoms, mainly the whole body of the transverse striated muscle muscle fibers, such as the patient’s face, limbs and other parts of the fibrillation, and even serious can appear the whole body of the muscle stiffness spasm, and at the same time, nicotinic symptoms can be manifested in the blood pressure increase, heart rate increase and arrhythmia. The third category, mainly refers to the organophosphorus pesticide poisoning, the patient appeared in the central nervous system and other symptoms, such as dizziness, headache, fatigue, ataxia, agitation, convulsions, coma and even delirium.