A smart wall comprises: a frame structure including a mounting cell; an electronic product disposed in the mounting cell; and an art wall covering the front of the frame structure, wherein the frame structure comprises: a first steel section; a second steel section which includes a second fastening part formed at the end thereof and is disposed in a direction perpendicular to the first steel section; a first fastening part which includes multiple first fastening holes arranged in the width direction of the first steel section; the second fastening part which is located at the end of the second steel section and includes multiple second fastening holes corresponding to the multiple first fastening holes; and fastening screws passing through the first fastening part and the second fastening part, and the first fastening part comprises multiple first fastening parts disposed at predetermined intervals in the extension direction of the first steel section. Accordingly, various frame structures can be implemented and thus reduced manufacturing costs can be achieved.