A portable communication device is provided. The portable communication device comprises a flexible display; a hinge structure; a first housing accommodating a first display area of the flexible display; a second housing accommodating a second display area of the flexible display; a hinge housing accommodating the hinge structure, the hinge housing including a first protruding member formed at an ending portion of the hinge housing in a length direction thereof such that a first protruding portion of the first protruding member is protruded in a first direction, and that a second protruding portion of the first protruding member is protruded in a second direction different from the first direction; and a first cushioning member coupled to the first protruding member such that a portion of the first cushioning member is fixed to the second protruding portion of the first protruding member.