The utility model discloses a multifunctional luggage case, including pull rod, U -shaped connecting rod, box and cat ladder wheel, its characterized in that: the U -shaped connecting rod lie in the left end face of box, and adopt the bayonet lock to be connected between connecting rod and the box, the pull rod lies in the inboard of U -shaped connecting rod, and is connected through the jump ring between pull rod and the U -shaped connecting rod, the cat ladder wheel lies in in the middle of the left end face of box. The utility model has the characteristics of simple structure, function are many, can realize the function of accomodating article, convenient walk up and down stairs and can act as the seat.