To provide a storage box into/from which equipment can be put/removed without requiring any drawing-out operation and which can be formed compact when not in use.

A strut 3 is detachably installed in a standing manner at the center of a base 2 and a plurality of tubular box-shaped box bodies 41 through 46 is fitted into the strut 3 in series through sockets 47 of the box bodies. An upper box body is placed on a lower box body. Then each box body is formed in a size enough for containing the box body placed above and the sockets 47 installed on each of the bottom faces are positioned on the same radius.