A display device that is suitable for increasing in size is provided. A display device that is suitable for space saving is provided. A foldable display device is provided. A structure in which a plurality of supporting members each having a belt-like shape are arranged at intervals on a rear surface of a flexible display panel fixed by a fixing portion is employed. One of the plurality of supporting members, which is positioned farthest from the fixing portion, is connected to a cord, and the cord is rolled up by a roll-up mechanism at an end portion of the cord toward the fixing portion.