The invention discloses an engine oil filter assembly which comprises an engine oil filter casing, a filter cover and a filter element, wherein the filter element is arranged in a cavity formed by the engine oil filter casing and the filter cover; the engine oil filter assembly also comprises a collecting structure for collecting iron impurities in engine oil; and the collecting structure is positioned in the cavity and is arranged on the filter cover. The collecting structure for collecting the iron impurities is integrated in the engine oil filter assembly; and the iron impurities in the engine oil are collected by using an adsorbing action of a magnet to the iron impurities and are efficiently collected at lower cost, so that the cleanness of the engine oil is further guaranteed, and the service life of an engine is prolonged.