A refrigerator drawer assembly, comprising: a drawer body, comprising a front wall and a rear wall which are arranged oppositely along a pulling direction, wherein the drawer body defines an accommodating cavity for placement of objects, the front wall is provided with two first sliding grooves extending along a horizontal direction, the rear wall is provided with two second sliding grooves aligned with the two first sliding grooves respectively, and each of the first sliding grooves penetrates through the front wall along a thickness direction of the front wall; and two sliding partition plate assemblies, each of said sliding partition plate assemblies comprising a partition plate and wherein two ends of each of the sliding partition plate assemblies are inserted into a group of the first sliding groove and the second sliding groove which are aligned with each other, and the two sliding partition plate assemblies are configured to be capable of sliding along the first sliding groove and the second sliding groove, characterized in that the two sliding partition plate assemblies can slide to a state wherein said partition plates are attached to each other, wherein the partition plate of each sliding partition plate assembly extends along the pulling direction of the drawer body and is arranged in the accommodating cavity; and wherein each sliding partition plate assembly further comprises two sliding mechanisms, respectively arranged at two ends of the partition plate along a length direction thereof, one end of each of the sliding mechanisms is connected to the partition plate, and the other end passes through one of the first sliding grooves or one of the second sliding grooves and forms sliding connection with the drawer body, wherein each of the sliding mechanisms comprises: a sliding base, arranged on the outer side of the front wall or the rear wall; and a connecting piece, wherein one end of the connecting piece is detachably connected to the sliding base, and the other end passes through the first sliding groove or the second sliding groove and is fixedly connected to the partition plate. a drawer body, comprising a front wall and a rear wall which are arranged oppositely along a pulling direction, wherein the drawer body defines an accommodating cavity for placement of objects, the front wall is provided with two first sliding grooves extending along a horizontal direction, the rear wall is provided with two second sliding grooves aligned with the two first sliding grooves respectively, and each of the first sliding grooves penetrates through the front wall along a thickness direction of the front wall; and two sliding partition plate assemblies, each of said sliding partition plate assemblies comprising a partition plate and wherein two ends of each of the sliding partition plate assemblies are inserted into a group of the first sliding groove and the second sliding groove which are aligned with each other, and the two sliding partition plate assemblies are configured to be capable of sliding along the first sliding groove and the second sliding groove, characterized in that the two sliding partition plate assemblies can slide to a state wherein said partition plates are attached to each other, wherein the partition plate of each sliding partition plate assembly extends along the pulling direction of the drawer body and is arranged in the accommodating cavity; and wherein each sliding partition plate assembly further comprises two sliding mechanisms, respectively arranged at two ends of the partition plate along a length direction thereof, one end of each of the sliding mechanisms is connected to the partition plate, and the other end passes through one of the first sliding grooves or one of the second sliding grooves and forms sliding connection with the drawer body, wherein each of the sliding mechanisms comprises: a sliding base, arranged on the outer side of the front wall or the rear wall; and a connecting piece, wherein one end of the connecting piece is detachably connected to the sliding base, and the other end passes through the first sliding groove or the second sliding groove and is fixedly connected to the partition plate. a sliding base, arranged on the outer side of the front wall or the rear wall; and a connecting piece, wherein one end of the connecting piece is detachably connected to the sliding base, and the other end passes through the first sliding groove or the second sliding groove and is fixedly connected to the partition plate.