This paper comprehensively describes three typical behaviour patterns of motor vehicle drivers, and analyses drivers ' behaviour features in detail in man-machine system of a motor vehicle, then establishes a drivers ' behaviour pattern and derives an equation for calculating the rate of drivers ' faulty operations. 综述了汽车驾驶员行为的三种典型模式,详细地剖析了汽车人机系统中驾驶员的行为特征,建立了驾驶员行为模式,并推导出计算驾驶员失误率的公式。