Abstract: An injection mold arranged with a cooling water way. The water way reduces the technical difficulty of mold manufacturing. The injection mold comprises a front die core and a back die core, wherein a cavity exists between the front die core and the back die core. The injection mold further comprises at least one cooling plate of die core, the surface of the cooling plate of die core is attached to the surfaces of the front die core and/or the back die core, a cooling water way is provided in the cooling plate of die core. The embodiments of the invention are used for injection molds.