Traveling case capable of being braked and decelerated and stop mechanism of traveling case

The invention discloses a traveling case capable of being braked and decelerated and a stop mechanism of the traveling case. The traveling case is provided with a pull rod device and castors, wherein braking execution mechanisms are arranged in the castors of the traveling case and comprise braking gate blocks and gate block reset springs; the braking gate blocks are hinged to a hinge point of wheel shafts of the castors, the gate block reset springs are arranged beside the hinge point of the braking gate blocks of the wheel shafts and are connected with the braking gate blocks; a braking control mechanism comprises handle springs, a braking control handle and braking gate wires; the braking control handle is connected with the braking gate blocks of the braking execution mechanisms through the braking gate wires, a stop switch and a stop bolt are further arranged on the braking control handle, and a bolt slot matched with the stop bolt is formed in the upper part of the pull rod device; when the traveling ca