A cover, which is capable of supporting multi-purpose contents and of improving portability and utility, is disclosed. The cover capable of supporting multi-purpose contents includes a front cover and a back cover which are superposed on front and back surfaces of a page unit and are bound by a binder. The front cover includes a main front cover part and a subsidiary front cover part which are separated from each other by a separation line, and an angle holding unit is provided between the main front cover part and the subsidiary front cover part to maintain an angle between the main front cover part and the subsidiary front cover part. Further, a position holding unit may be provided between the front cover and the back cover to hold the front and back covers in a folded or erected position.