A liquid discharge head comprising: a substrate that is provided with a supply passage having an opening on a front surface side of the substrate and through which a liquid is supplied onto the front surface side of the substrate ; an energy generating element that is disposed on the surface of the substrate and generates energy for discharging the liquid; an electric wiring layer that is electrically connected to the energy generating element , the electric wiring layer being disposed on the front surface side of the substrate ; an insulation layer that electrically insulates the electric wiring layer from the liquid, wherein the insulation layer includes a plurality of insulation layers layered on each other; and a discharge port member that forms a discharge port through which the liquid is discharged; wherein the insulation layer has an end portion adjacent to the opening of the supply passage , the end portion being set back from an edge of the opening of the supply passage toward a side where the energy generating element is disposed, and wherein the electric wiring layer includes a plurality of electric wiring layers layered on each other, wherein each of the electric wiring layers is disposed between the layers of the insulation layer , characterized in that when the liquid discharge head is viewed from a position opposite the surface of the substrate , the end portion of the insulation layer forms an opening , the opening of the insulation layer having a center that does not coincide with a center of the opening of the supply passage , and wherein, as viewed from the opening of the supply passage , a set-back position of the end portion of the insulation layer from the edge of the opening of the supply passage is closer, on the side where no energy generating element is present, to the edge of the opening of the supply passage than on a side where the energy generating element is present. a substrate that is provided with a supply passage having an opening on a front surface side of the substrate and through which a liquid is supplied onto the front surface side of the substrate ; an energy generating element that is disposed on the surface of the substrate and generates energy for discharging the liquid; an electric wiring layer that is electrically connected to the energy generating element , the electric wiring layer being disposed on the front surface side of the substrate ; an insulation layer that electrically insulates the electric wiring layer from the liquid, wherein the insulation layer includes a plurality of insulation layers layered on each other; and a discharge port member that forms a discharge port through which the liquid is discharged; wherein the insulation layer has an end portion adjacent to the opening of the supply passage , the end portion being set back from an edge of the opening of the supply passage toward a side where the energy generating element is disposed, and wherein the electric wiring layer includes a plurality of electric wiring layers layered on each other, wherein each of the electric wiring layers is disposed between the layers of the insulation layer , characterized in that when the liquid discharge head is viewed from a position opposite the surface of the substrate , the end portion of the insulation layer forms an opening , the opening of the insulation layer having a center that does not coincide with a center of the opening of the supply passage , and wherein, as viewed from the opening of the supply passage , a set-back position of the end portion of the insulation layer from the edge of the opening of the supply passage is closer, on the side where no energy generating element is present, to the edge of the opening of the supply passage than on a side where the energy generating element is present. <EOS>