A semiconductor package and method of manufacturing thereof are provided. The package includes: a substrate; a first metal wire on a top surface of the substrate; a first semiconductor chip disposed on the substrate; a first insulation layer which covers the first semiconductor chip and at least a part of the substrate; a second metal wire formed on a top surface of the first insulation layer; a first via formed in the first insulation layer, wherein the first via electrically connects the second metal wire and the first metal wire; and a second semiconductor chip disposed on the second metal wire, wherein the second semiconductor chip is electrically connected to the second metal wire.