提出了一种基于遗传优化理论的涡轮增压器叶轮的优化设计方法，论述了以涡轮增压器叶轮能量损失最小为目标函数，以叶轮叶片进口角、进口直径、进口宽度、出口直径、叶片数、出口角为设计变量的涡轮增压器叶轮的优化设计模型及优化计算的方法，数值计算表明，这种算法可以方便地求得具有最小涡轮损失的涡轮叶形参数。 An optimization method of turbocharger impeller based on genetic optimization theory was proposed. The objective function was to minimize the energy loss of the turbocharger impeller. The influence of the impeller inlet angle, inlet diameter, inlet width, outlet diameter, The optimal design model and optimal calculation method for the turbocharger impeller with design variables and exit angles are obtained. The numerical results show that this algorithm can easily obtain the turbine blade parameters with the smallest turbine loss.