Luggage with locking structure

The utility model discloses a luggage with a locking structure, which relates to the technical field of luggage and comprises a luggage body, a plurality of universal wheels are mounted at the bottom of the luggage body, a telescopic pull rod is arranged on one side of the top of the luggage body and comprises a fixed cylinder and a telescopic rod, the fixed cylinder is fixed on one side of the inside of the luggage body, and the telescopic rod is fixed on the other side of the inside of the luggage body. A vertical toothed plate is fixed to one side in the fixing cylinder, the lower end of the telescopic rod is inserted into the fixing cylinder, a control plate capable of ascending and descending is elastically installed in the telescopic rod, a button penetrating out of the top of the telescopic rod is fixed to the top of the control plate, and a protruding block is fixed to the side, facing the toothed plate, of the lower end of the control plate. And a clamping piece is elastically mounted at the bottom o