A system for automatically packaging photosensitive rolls includes a flanged member installing device for selecting flanged members corresponding to a photosensitive roll and automatically installing the flanged members respectively on opposite ends of the photosensitive roll, a tape member applying device for automatically applying a joint tape to an end of the photosensitive roll, a packaging sheet working device for automatically processing light-shielding leaders to dimensions corresponding to the photosensitive roll, an applying mechanism for automatically applying the processed light-shielding leaders to the photosensitive roll, and a packaging sheet takeup device for automatically winding the light-shielding leaders around the photosensitive roll.