In the health operation and maintenance of refining and chemical equipment,the application of big data,cloud platform,industrial internet and other new technologies will contribute to the intelligent upgrading of safe and reliable production of large refining and chemical enterprises.Focusing on the working features,common failure modes and types for the oil refining equipment of 10 million tons in petrochemical industry,on the basis of the features of lubrication and wear monitoring,the theory and application difficulties of lubrication wear monitoring and early warning in the process of equipment operation were expounded.Based on big data,cloud platform,industrial internet and other technologies,a fault warning system was established which is of great significance to the condition monitoring and safe lubrication of oil refining equipment.