Height-adjustable double-layer luggage barrow

The utility model relates to the technical field of luggage barrows, in particular to a height-adjustable double-layer luggage barrow which comprises a supporting base, fixing vertical plates are arranged on the edges of the left side and the right side of the top of the supporting base, and positioning sliding rods are arranged at the positions, close to the four corners, of the top of the supporting base. And braking universal wheels are arranged at the positions, close to the front end and the rear end of the left side, of the bottom of the supporting base, and directional wheels are arranged at the positions, close to the front end and the rear end of the right side, of the bottom of the supporting base. According to the height-adjustable double-layer luggage barrow, large luggage can be placed on the supporting base, the two fixed baffles are matched with the two adjustable movable baffles so that the large luggage can be effectively prevented from sliding off from the supporting base, small luggage can