A rollable display device is provided, including: a flexible display panel including a plurality of edges; a fixing portion including a plurality of fixing rods for fixing some of the plurality of edges of the flexible display panel when the flexible display panel is in a second state; and a receiving portion including a cavity. In a first state, the flexible display panel is rolled and received into the cavity of the receiving portion with a first direction as an axis; and the plurality of fixing rods extends in the first direction and is received into the cavity of the receiving portion. In the second state, the flexible display panel is at least partially unrolled outside the receiving portion, and the plurality of fixing rods is located outside the cavity, extends in a second direction and supports the flexible display panel. The first direction intersects with the second direction.