An electronic device is disclosed. The electronic device comprises: a housing; and a pattern region formed on at least a portion of the surface of the housing. The pattern region includes a first edge, a second edge, and a first pattern formed between the first edge and the second edge. The first pattern includes a first floor portion, a first valley portion and a second valley portion which are positioned closer than the first floor portion to the inner space of the housing, and a first inclined surface extending from the first floor portion to the first valley portion and the second valley portion. The first floor portion may be formed in a first color, and the first inclined surface may be formed in a second color.