An automobile transportation rack for a container, the container comprising side walls, a bottom plate and a top plate, comprising: two pairs of upright posts for arrangement in the container to abut against the side walls and the bottom plate, the upright posts having connecting portions; a transversal support bar; a front wheel fixing frame connected between one of the two pairs of the upright posts and movable vertically with respect to the upright posts through the connecting portion; and a rear wheel fixing frame connected between the other pair of the upright posts and movable vertically with respect to the upright posts through the connecting portion; wherein each of the two pairs of the upright posts, the transversal support bar, the front wheel fixing frame and the rear wheel fixing frame are detachably assembled to each other, characterized in that each upright post comprises a top coupling portion at the top thereof and a bottom coupling portion at the bottom thereof, the bottom coupling portion is configured to be used for connecting with the bottom plate, the top coupling portion and the bottom coupling portion each has a profile plate of a shape identical to that of the corrugation of the side walls of the container and the transversal support bar is adjustably connectable between the tops of each pair of the upright posts so that the upright posts are configured to abut against the side walls, the transversal support bar connects the top coupling portions of a pair of the upright posts, the transversal support bar comprises a length adjustment mechanism for adjusting the length of the transversal support bar and the length adjustment mechanism is used for lengthening the length of the transversal support bar in a width direction of the container so that the profile plates are configured to abut against the side walls of the container. two pairs of upright posts for arrangement in the container to abut against the side walls and the bottom plate, the upright posts having connecting portions; a transversal support bar; a front wheel fixing frame connected between one of the two pairs of the upright posts and movable vertically with respect to the upright posts through the connecting portion; and a rear wheel fixing frame connected between the other pair of the upright posts and movable vertically with respect to the upright posts through the connecting portion; wherein each of the two pairs of the upright posts, the transversal support bar, the front wheel fixing frame and the rear wheel fixing frame are detachably assembled to each other, characterized in that each upright post comprises a top coupling portion at the top thereof and a bottom coupling portion at the bottom thereof, the bottom coupling portion is configured to be used for connecting with the bottom plate, the top coupling portion and the bottom coupling portion each has a profile plate of a shape identical to that of the corrugation of the side walls of the container and the transversal support bar is adjustably connectable between the tops of each pair of the upright posts so that the upright posts are configured to abut against the side walls, the transversal support bar connects the top coupling portions of a pair of the upright posts, the transversal support bar comprises a length adjustment mechanism for adjusting the length of the transversal support bar and the length adjustment mechanism is used for lengthening the length of the transversal support bar in a width direction of the container so that the profile plates are configured to abut against the side walls of the container.