A flexible display device is provided. A first support member is fixedly disposed with a housing, and a second support member is slidably disposed relative to the first support member. One end of the flexible display screen is connected to one end of the second support member, and the other end of the flexible display screen is connected to a winding mechanism within the housing. A first hard layer between the first support member and the flexible display screen is fixed to one side of the first support member, and a second hard layer between the first hard layer and the flexible display screen is fixed to one side of the second support member.