Abstract: Energy recovery is an important means of energy saving of new energy vehicles, this paper introduces the structure and principle of energy recovery, through the study of the control strategy and recovery efficiency of driving energy recovery and braking regeneration energy recovery, based on the performance of the vehicle to select the best combination of energy recovery mode and control optimization, to achieve vehicle braking safety and energy saving, and finally through the actual vehicle verification to determine the effectiveness of the proposed energy recovery mode combination and control optimization.