To provide a bag for discriminative storage of documents which enables simple and efficient operations for classification/discrimination/checking/storage of documents, materials or the like, by a method wherein the bag for storage is varied in size and a cover for poreventing running-out of contents is provided at the opening of the bag and wherein the bags are laid on each other in tiers from the smaller one to the larger and classification discriminating blanks are provided at the openings of the bags.

In this bag for discriminative storage of documents, the bags 1 for storage are attached, in juxtaposition, to a contact bonding part 6 and the classification discriminating blank 3, 3a is provided in the front part of the opening 5 of each bag 1 and a checking window 2 is opened in the bag 1, while the bags 1 in a plurality are laid on each other on the contact bonding part 6. A name, a title, etc. of the purpose of the use are entered in a front cover 9, while a usage, a precaution, etc. are mentioned in a back cover 10. In the rear upper part of the bag 1 for storage, the cover 4, 4a for preventing running out which is stuck to a joining part 8 and bent from a fold line part 7 is provided.