有机磷农药主要用作农业杀虫剂 ,是我国使用最广、用量最大的杀虫药。多数品种毒性较大 ,稍有不慎 ,很容易引起中毒。在各类农药中毒和死亡者中 ,国内外均以有机磷农药引起者占绝大多数。据世界卫生组织估计 ,全世界每年约有 30 0万农药中毒患者 ,其中大多数为有机磷农药中毒。 Organophosphorus pesticides are mainly used as agricultural pesticides, which are the most widely used pesticides in China. Most species toxicity, a little careless, it is easy to cause poisoning. Of all types of pesticide poisoning and death, both at home and abroad are caused by organophosphorus pesticides accounted for the vast majority. According to the estimates of the World Health Organization, there are about 3 million pesticide poisoning patients in the world each year, most of which are organophosphorus pesticide poisonings.