Abstract The existing maintenance service mode is basically “fire-fighting” after-the-event maintenance and repair. After the failure of mechanical equipment, it takes a time to report the requirement to the service personnel to achieve the success of maintenance. The consequences of sudden failure in the operation of mechanical equipment are very serious. In order to predict the operation status of mechanical equipment in advance and avoid causing heavy losses, the operation status of mechanical equipment can be predicted by testing the lubricant composition of mechanical equipment, which can effectively reduce or even avoid the occurrence of faults and accidents.