A display device is provided and includes: a case assembly, a first supporting component, a second supporting component disposed to be slidable relative to the first supporting component, and a transmission mechanism connected to the second supporting component; and a flexible display screen laying on one side of the first supporting component and one side of the second supporting component, a first end of the flexible display screen connected to one end of the second supporting component far away from the first supporting component, and a second end of the flexible display screen connected to the transmission mechanism.