In order to improve the automation and intelligence of petrochemical rotating equipment wear fault diagnosis,the application of wear intelligent analysis and evaluation technology based on Petrochemical rotating equipment wear monitoring information mining technology in ethylene compressor operation and maintenance was investigated.Through the comprehensive monitoring and evaluation on the operation status of the unit with wear intelligent analysis and evaluation technology,it is shown that wear intelligent analysis and evaluation technology can accurately reflect the deterioration trend of equipment wear and lubrication status,and provide timely and accurate technical support for the active maintenance of the unit,such as oil online replacement and upgrading,adjustment of unit operation conditions,oil purification,etc.It can ensure the long-term stable operation of the equipment