An electronic device on which an exterior surface mounting member is mounted is provided. The electronic device includes an external housing including a first plate and a second plate that is directed opposite to the first plate, and at least one electronic component that is included within the external housing. The first plate may include a transparent plate including a first surface that forms an outer surface of the first plate and a second surface that is directed opposite to the first surface, and a structure that is interposed between the transparent plate and the second plate, and includes a third surface that faces the first plate and a fourth surface that is formed opposite to the third surface, the structure containing a transparent or translucent material.