The invention discloses a garbage transport vehicle for urban environmental protection. The garbage transport vehicle comprises a carriage arranged on a vehicle frame, and a storage bucket and a crushing assembly are arranged in the carriage; an opening is formed in the top of the carriage, a top cover is movably arranged at the opening, and an opening and closing door is hinged to one side of thecarriage; each of the two sides of the bottom surface of the carriage is provided with a second motor, the output ends of the second motors are connected with horizontally arranged rotating shafts, and cams are installed on the rotating shafts; the storage bucket is in a U-shaped bucket shape, the bottom surface of the storage bucket is in contact with the top ends of the cams, and supporting plates which are in one to one correspondence to a base are arranged on the bottom surface of the storage bucket; the bottom ends of the supporting plates are inserted into grooves, each of the left sideand the right side of each supporting plate is provided with a rectangular plate-shaped convex block, and a spring is distributed on each of the top surface and the bottom surface of each convex block; and the crushing assembly comprises a movable plate, sliding plates, telescopic rods, a two-way cylinder, first motors and crushing knives. According to the garbage transport vehicle, garbage can be conveniently crushed, so that recycling is facilitated; and meanwhile, the garbage can be conveniently screened, so that the treatment effect is good.