The invention discloses a storage case for children files, and particularly relates to the field of craftworks. The storage case comprises a case body, wherein a plurality of columnar file storage boxes are arrayed in the case body in a layered mode, each columnar file storage box comprises concave type cover bodies which are located on two ends of the box, grooves of the two cover bodies are opposite, and curly folders are arranged between the grooves; the folders comprise three layers of plastic films, three sides of three layers of the plastic films are connected through the seal, and fourth sides are separated from each other; two placing cavities are formed among three layers of the plastic films, the fourth sides are length sides, and hard supporting strips which are made from half rigid plastic are arranged on two sides close to the edge position of the fourth sides in a length direction; according to the storage case, children works can be preserved by the plastic films, the lookup is convenient, the hard supporting strips are arranged on the fourth sides and the openings namely, work folding is avoided, the works are curled and made into columnar shapes, and the preservation and the lookup are convenient.