小儿有机磷农药中毒就诊时往往不能提供接触农药的病史 ,临床易造成误诊。我院 1 997年5月～ 1 998年 9月误诊 6例 ,其中院外误诊 5例。现分析如下。1　临床资料本组男 4例 ,女 2例 ,年龄最小 9个月～ 1 3岁。误诊时间 2ｍｉｎ～ 2ｄ。临床主要表现为声嘶、呼吸困难、四肢乏力 Pediatric organophosphate pesticide poisoning often can not provide a history of exposure to pesticides, clinically easy to cause misdiagnosis. Our hospital from May 1997 to September 1998 misdiagnosed 6 cases, of which 5 cases were misdiagnosed outside the hospital. Analysis is as follows. 1 Clinical data The group of 4 males and 2 females, the youngest 9 months to 13 years old. Misdiagnosis time 2min ~ 2d. The main clinical manifestations hoarseness, dyspnea, limb weakness