汽车故障原因分析是诊断汽车故障的基础,更是排除汽车故障的前提。笔者总结的学生易于掌握汽车故障诊断方法、利于培养学生系统思考问题和开拓学生思维、提高学生实践能力的汽车故障原因树枝图分析教学法,是教学相长的教学技巧。 Analysis of the cause of the car failure is the basis for diagnosis of car failure, but also exclude the premise of car failure. The author summarizes the students easy to grasp the car fault diagnosis method, which is conducive to cultivate students thinking system problems and develop student thinking, improve student practical ability of the cause of the car fault tree branch analysis teaching method, is the teaching of teaching skills.