An adjustable refrigerator drawer assembly, comprising: a drawer body, provided with an accommodating cavity for placement of objects; a sliding assembly, slidably disposed in the drawer body in a left-and-right direction perpendicular to the pulling direction of the drawer body; and at least one partition plate, detachably connected to the sliding assembly, configured to separate the accommodating cavity, and moving with the sliding assembly to change the size of the cavity separated by the partition plate, wherein the partition plate is arranged along the pulling direction of the drawer body, and front and rear ends of each partition plate are connected to the sliding assembly, wherein the drawer body comprises a front wall and a rear wall arranged oppositely, the front wall and the rear wall are respectively provided with a first sliding groove and a second sliding groove aligned with each other, the sliding assemblies are inserted into the first sliding groove and the second sliding groove respectively, and the sliding assembly can slide along the first sliding groove and the second sliding groove, characterized in that each sliding assembly comprises: a base, disposed on an outer side of the drawer body; and a connecting arm, wherein one end of the connecting arm is fixedly connected to the base, and the other end passes through the first sliding groove or the second sliding groove and is connected to the partition plate, wherein the connecting position of the connecting arm and the partition plate is provided with a notch penetrating through the connecting arm along a vertical direction of a refrigerator, the notch is configured to accommodate the partition plate, and the disassembly of the sliding assembly and the partition plate can be realized by pulling out the partition plate upward. a drawer body, provided with an accommodating cavity for placement of objects; a sliding assembly, slidably disposed in the drawer body in a left-and-right direction perpendicular to the pulling direction of the drawer body; and at least one partition plate, detachably connected to the sliding assembly, configured to separate the accommodating cavity, and moving with the sliding assembly to change the size of the cavity separated by the partition plate, wherein the partition plate is arranged along the pulling direction of the drawer body, and front and rear ends of each partition plate are connected to the sliding assembly, wherein the drawer body comprises a front wall and a rear wall arranged oppositely, the front wall and the rear wall are respectively provided with a first sliding groove and a second sliding groove aligned with each other, the sliding assemblies are inserted into the first sliding groove and the second sliding groove respectively, and the sliding assembly can slide along the first sliding groove and the second sliding groove, characterized in that each sliding assembly comprises: a base, disposed on an outer side of the drawer body; and a connecting arm, wherein one end of the connecting arm is fixedly connected to the base, and the other end passes through the first sliding groove or the second sliding groove and is connected to the partition plate, wherein the connecting position of the connecting arm and the partition plate is provided with a notch penetrating through the connecting arm along a vertical direction of a refrigerator, the notch is configured to accommodate the partition plate, and the disassembly of the sliding assembly and the partition plate can be realized by pulling out the partition plate upward. a base, disposed on an outer side of the drawer body; and a connecting arm, wherein one end of the connecting arm is fixedly connected to the base, and the other end passes through the first sliding groove or the second sliding groove and is connected to the partition plate, wherein the connecting position of the connecting arm and the partition plate is provided with a notch penetrating through the connecting arm along a vertical direction of a refrigerator, the notch is configured to accommodate the partition plate, and the disassembly of the sliding assembly and the partition plate can be realized by pulling out the partition plate upward.