Abstract: A multifunctional storage case comprising a case with a hollow accommodation in the center thereof at whose side has side opening which is provided with a elongating side edge at two sides thereof, wherein the inner side of the elongating side edge is respectively fitted with a number of protruding warped members which are vertically paralleled, and wherein a side fastening cover is pivoted at the bottom end of side opening while a binding element for loose-leaves is fixed inside of the side fastening cover for holding thin loose-leaf envelopes to accommodate CDs, other articles, and wherein two sides of the side fastening cover is provided with corresponding resilient fasteners in the middle section thereof is fitted with outwards protruding warped members which are engaged in the middle hollow member between protruding warped members, and wherein a cover is pivoted at the top side of the casing and an arch hook is disposed at the moving side of the cover for being hooked at the outer edge after the opening