The reliability of automobile manufacturing equipment directly determines the product quality and output. The best and most effective maintenance strategy can improve the maintenance efficiency of manufacturing enterprises more effectively. Through FEMA analysis technology, the risk assessment of each failure mode in the equipment system is carried out scientifically, and then the key level of the equipment is divided, and the best maintenance strategy is made according to the actual situation of the failure. The basic principle and analysis idea of FMEA used in the formulation of transportation equipment maintenance strategy of Beijing Benz MFA coating workshop were introduced.