A pallet having a base which has two pairs of opposing side edges (5, 6, 7, 8), wherein the base further has a first connecting device and a second connecting device respectively provided at one pair of opposing side edges (6, 8) of the base, wherein the first connection device comprises: a first connecting member being arranged such that the first connecting member is movable between a first position and a second position relative to the base; the second connecting device comprises: a second connecting member; a transmission assembly (22a, 22b, 21a, 21b); and operating members (23a, 23b) which are provided at the other pair of opposing side edges (5, 7) of the base, wherein the operating members are connected to the second connecting member via the transmission assembly, and the operating members are arranged to be able to operate the second connecting member, so that the second connecting member is movable between a connected position and a disconnected position, wherein when two pallets are connected to each other, the first connecting member of one pallet is in the second position, the corresponding second connecting member of the other pallet is in the connected position, and the first connecting member of one pallet and the corresponding second connecting member of the other pallet are connected to each other, wherein the transmission assembly has connecting shafts (22a, 22b) and driving members (21a, 21b), wherein one end of each connecting shaft (22a, 22b) is connected to the associated operating member (23a, 23b), the other end of each connecting shaft (22a, 22b) is connected to one end of the associated driving member (21a, 21b), and the other end of each driving member (21a, 21b) cooperates with the second connecting member to drive the second connecting member to move up and down. the first connection device comprises: a first connecting member being arranged such that the first connecting member is movable between a first position and a second position relative to the base; the second connecting device comprises: a second connecting member; a transmission assembly (22a, 22b, 21a, 21b); and operating members (23a, 23b) which are provided at the other pair of opposing side edges (5, 7) of the base, wherein the operating members are connected to the second connecting member via the transmission assembly, and the operating members are arranged to be able to operate the second connecting member, so that the second connecting member is movable between a connected position and a disconnected position, a second connecting member; a transmission assembly (22a, 22b, 21a, 21b); and operating members (23a, 23b) which are provided at the other pair of opposing side edges (5, 7) of the base, wherein the operating members are connected to the second connecting member via the transmission assembly, and the operating members are arranged to be able to operate the second connecting member, so that the second connecting member is movable between a connected position and a disconnected position, wherein when two pallets are connected to each other, the first connecting member of one pallet is in the second position, the corresponding second connecting member of the other pallet is in the connected position, and the first connecting member of one pallet and the corresponding second connecting member of the other pallet are connected to each other, wherein the transmission assembly has connecting shafts (22a, 22b) and driving members (21a, 21b), wherein one end of each connecting shaft (22a, 22b) is connected to the associated operating member (23a, 23b), the other end of each connecting shaft (22a, 22b) is connected to one end of the associated driving member (21a, 21b), and the other end of each driving member (21a, 21b) cooperates with the second connecting member to drive the second connecting member to move up and down.