Lubricating oil filter

The utility model relates to the technical field of oil purifying equipment, in particular to a lubricating oil filter. The lubricating oil filter comprises an upper shell, a lower shell and an oil filtering device, wherein, the upper shell is fixedly connected with the lower shell; the upper shell is equipped with the oil filtering device and an oil outlet pipe; the lower shell is equipped with an oil inlet pipe; and the oil filtering device is composed of three stainless steel filter screens. The lubricating oil filter has the advantages of simple structure, novel design and strong practicability, and is convenient to use; and the filter can fully filter out mechanical impurities in lubricating oil, improve the purity of the lubricating oil, prolong the service life of the lubricating oil, lower the loss degree of wearing parts of oil consumption equipment, reduce the failure rate and facilitate popularization and application.