The utility model provides a sealing strip and suitcase assembly relate to vehicle technical field. The sealing strip bubble pipe that the sealing strip includes the sealing strip main part and links to each other with the sealing strip main part, sealing strip bubble pipe ring coiled annular sets up in the top of sealing strip main part, the sealing strip main part with the junction of sealing strip bubble pipe is equipped with and is used for spacing arch. The suitcase assembly includes suitcase main part, luggage -boot lid, sealing strip and stop device, the sealing strip main part is installed in the suitcase main part, when the luggage -boot lid is closed with sealing strip bubble pipe connector touches. The utility model discloses a sealing strip is through setting up the sealing strip main part with the arch of the junction of sealing strip bubble pipe can be ascending spacing to the vertical side of the sealing strip tubular one -tenth of bubble who is in protruding top. The utility model discloses simple structure need not the incremental cost. And then make the suitcase assembly play the spacing effect of the vertical direction of luggage -boot lid.