A structure for protecting pipe

An embodiment of the present invention relates to a pipe protection structure which aligns a plurality of pipes and prevents a fluid or a cable moving through each of the pipes from flowing to the outside. The pipe protection structure comprises: an accommodation unit which provides an accommodation space accommodating the pipes; and an alignment unit which aligns the pipes so as to be spaced apart from one another, wherein the accommodation unit includes a bottom portion which defines a bottom surface of the accommodation unit; a connection portion which includes a first connection portion connected to an upper side of the bottom portion from one side end thereof and a second connection portion connected to the upper side from the other side end thereof; an extension portion which is detachably connected to the connection portion and changes the height of the accommodation unit; and a cover portion which is detachably connected to the extension portion and provides the accommodation space together with the bottom portion, the connection portion, and the extension portion. The alignment unit includes a mounting portion which is mounted between the first connection portion and the second connection portion and allows the pipes to be spaced apart from the bottom portion and a support portion which is detachably connected to the mounting portion and supports each of the pipes.