An electronic device is provided. The electronic device includes a first housing including a first space, a second housing slidably coupled to the first housing along a first direction and including a second space, a bendable member connected to the first housing, at least partially accommodated in the second space in a slide-in state, and at least partially forming the same plane with the first housing in a slide-out state, a support plate including a plate part, and a pressing part extending from the plate part and supporting at least a portion of the bent bendable member in the slide-in state, the plate part including a first surface facing the bendable member, and a second surface facing a direction opposite to a direction of the first surface, and a flexible display disposed to be supported by at least a portion of the bendable member and at least a portion of the first housing.