PROBLEM TO BE SOLVED: To provide a method for manufacturing a needle-like body, which manufactures a needle-like body capable of inhibiting separation from the skin after puncture.SOLUTION: A method for manufacturing a needle-like body, which manufactures a needle-like body provided with a needle-like projecting part on one face of a base material, includes: a needle-like body original plate making process of making a needle-like original plate provided with a needle-like projecting part on one face of the base material a micro-projection forming process of disposing a microcapsule on the projecting part forming surface of the needle-like body original plate, and forming a micro-projection on the projecting part surface of the needle-like original plate a copy plate making process of making a copy plate from the needle-like body original plate where the micro-projection is formed and a transfer and molding process of making a needle-like body provided with a needle-like projecting part on one face of the base material and provided with a micro-projection on the projecting part surface by filling the copy plate with needle-like body forming material and separating the needle-like forming material.