A flexible display device is disclosed. The flexible display device includes a flexible display screen, the flexible display device further includes a supporting structure configured for supporting the flexible display screen, and the flexible display screen is fixedly connected with the supporting structure and fixed on a supporting surface of the supporting structure. The supporting surface of the supporting structure is allowed to be selectively transformed into a planar surface or a curved surface. With the flexible display device, touch control and click operations performed on the flexible display screen may be facilitated, and thus application field of the flexible display screen may be expanded.