A metal tile for interior and exterior decoration for a building is provided, which can be attached and constructed on the walls or bottoms of the building simply and firmly using mortar where cement, sand and water has been mixed. The metal tile for interior and exterior decoration for a building which can be attached and constructed on the walls or bottoms of the building includes at least one boding groove on the rear surface of the metal tile, and a gypsum board or sheet which is formed by filling a batter of gypsum having an excellent bonding strength with metal and mortar into the bonding groove and drying the filled batter of gypsum.