The invention provides a suitcase zipper and a suitcase. The suitcase zipper comprises a zipper head, a zipper belt and zipper teeth arranged on the zipper belt, wherein the zipper head comprises an upper sliding seat, a lower sliding seat and a connection column; the zipper belt is a cloth belt, stopping parts for preventing lining cloth from entering a gap between the zipper head and the surfaceof the zipper belt are arranged on the surface of the zipper belt, the stopping parts are arranged on the two sides of the zipper head and are attached to the two sides of the zipper head, the stopping parts extend from the beginning ends of the zipper teeth to the tail ends of the zipper teeth, the zipper head is a metal zipper head, the stopping parts are arranged on the upper surface of the zipper belt and are arranged on the two sides of the upper sliding seat, the height of the stopping part is H, the gap between the lower end face of the upper sliding seat and the upper surface of the zipper belt is D1, and the H is larger than or equal to 1; thus, the stopping parts can prevent lining cloth in a box body from entering the gap between the zipper head and the surface of the zipper belt, the zipper is prevented from being clamped or jammed when being pulled, the zipper pulling smoothness is improved, convenience is brought to user operation, and use experience of a user is greatlyimproved.