A drilling tip which is attached to a tip portion of a drilling tool to perform drilling, the drilling tip comprising: a tip body which is provided with a posterior end portion buried in a tool body of the drilling tool, and a tip portion protruding from a surface of the drilling tool and being tapered toward a tip side of the tip body; and a hard layer which is formed on a surface of the tip portion of the tip body, wherein the hard layer is provided with an outermost layer and an intermediate layer interposed between the outermost layer and the tip body, the outermost layer is a cubic boron nitride sintered material having 70 to 95 vol% of cubic boron nitride grains and a binder phase, when a cross-sectional structure of the outermost layer is observed, a binder phase having a width of 1nm or greater and 30nm or less and containing Al, B, and N, and in which an atomic ratio of an O content to an Al content is 0.1 or less exists between neighboring cubic boron nitride grains, when a cross-sectional structure of the outermost layer is observed, a ratio of: a number of cubic boron nitride grains which have the binder phase having a width of 1nm or greater and 30nm or less, and containing Al, B and N between neighboring cubic boron nitride grains: to a total number of the cubic boron nitride grains, is 0.4 or greater, and a ratio of: a number of cubic boron nitride grains which have the binder phase having a width of 1nm or greater and 30nm or less, containing Al, B and N, and having an atomic ratio of an O content to an Al content of 0.1 or less between neighboring cubic boron nitride grains: to the number of cubic boron nitride grains which have the binder phase having a width of 1nm or greater and 30nm or less and containing Al, B and N between neighboring cubic boron nitride grains, is 0.5 or greater. a tip body which is provided with a posterior end portion buried in a tool body of the drilling tool, and a tip portion protruding from a surface of the drilling tool and being tapered toward a tip side of the tip body; and a hard layer which is formed on a surface of the tip portion of the tip body, wherein the hard layer is provided with an outermost layer and an intermediate layer interposed between the outermost layer and the tip body, the outermost layer is a cubic boron nitride sintered material having 70 to 95 vol% of cubic boron nitride grains and a binder phase, when a cross-sectional structure of the outermost layer is observed, a binder phase having a width of 1nm or greater and 30nm or less and containing Al, B, and N, and in which an atomic ratio of an O content to an Al content is 0.1 or less exists between neighboring cubic boron nitride grains, when a cross-sectional structure of the outermost layer is observed, a ratio of: a number of cubic boron nitride grains which have the binder phase having a width of 1nm or greater and 30nm or less, and containing Al, B and N between neighboring cubic boron nitride grains: to a total number of the cubic boron nitride grains, is 0.4 or greater, and a ratio of: a number of cubic boron nitride grains which have the binder phase having a width of 1nm or greater and 30nm or less, containing Al, B and N, and having an atomic ratio of an O content to an Al content of 0.1 or less between neighboring cubic boron nitride grains: to the number of cubic boron nitride grains which have the binder phase having a width of 1nm or greater and 30nm or less and containing Al, B and N between neighboring cubic boron nitride grains, is 0.5 or greater.