A sorting system, comprising at least one conveyor and at least one robot, wherein the conveyor is configured to receive a logistics crate on the robot or transport a logistics crate to the robot; wherein the robot comprises a body and at least two transfer devices provided on the body; where the transfer device is disposed in a first direction of the body; the transfer device comprises a supporting base and a first transmission assembly, the first transmission assembly is located on the supporting base, and the first transmission assembly is configured to transport the logistics crate; the conveyor comprises a second supporting frame and at least two first storage layers, the first storage layer is disposed in a first direction of the second supporting frame, and the first storage layer is configured to receive the logistics crate on the robot or transport the logistics crate to the robot; wherein the first storage layer is movable between a first position and a second position, the first position is on the second supporting frame, and the second position is at a side of the second supporting frame facing away from the robot; characterized in that the sorting system further comprises at least one unloader and at least one elevator; wherein the unloader is configured to transport the logistics crate between the robot and the elevator, wherein the unloader comprises at least two second storage layers, the second storage layer is disposed in the first direction of the unloader, and the unloader transports the logistics crate between the robot and the elevator through the second storage layer; and wherein the elevator is configured to transport the logistics crate between the robot and the conveyor or between the unloader and the conveyor; wherein the elevator comprises a fourth supporting frame and at least one third storage layer, the third storage layer is disposed in the first direction of the fourth supporting frame and is movable in the first direction of the fourth supporting frame, and the third storage layer is configured to transport the logistics crate. wherein the robot comprises a body and at least two transfer devices provided on the body; where the transfer device is disposed in a first direction of the body; the transfer device comprises a supporting base and a first transmission assembly, the first transmission assembly is located on the supporting base, and the first transmission assembly is configured to transport the logistics crate; the conveyor comprises a second supporting frame and at least two first storage layers, the first storage layer is disposed in a first direction of the second supporting frame, and the first storage layer is configured to receive the logistics crate on the robot or transport the logistics crate to the robot; wherein the first storage layer is movable between a first position and a second position, the first position is on the second supporting frame, and the second position is at a side of the second supporting frame facing away from the robot; characterized in that the sorting system further comprises at least one unloader and at least one elevator; wherein the unloader is configured to transport the logistics crate between the robot and the elevator, wherein the unloader comprises at least two second storage layers, the second storage layer is disposed in the first direction of the unloader, and the unloader transports the logistics crate between the robot and the elevator through the second storage layer; and wherein the elevator is configured to transport the logistics crate between the robot and the conveyor or between the unloader and the conveyor; wherein the elevator comprises a fourth supporting frame and at least one third storage layer, the third storage layer is disposed in the first direction of the fourth supporting frame and is movable in the first direction of the fourth supporting frame, and the third storage layer is configured to transport the logistics crate.