A microneedle patch is provided which is easy to affix to the surface of the skin. One or more holes are provided on the inside of a protective release sheet for a microneedle patch, and one or more cutting lines are provided in the protective release sheet from the outer edge towards the hole or holes. The cutting line or lines may be arranged symmetrically on both sides of the hole or holes. When a notch is created in the outer peripheral portion of a cutting line, the protective release sheet is easier to cut along the cutting line. When the microneedle patch is used, both ends of a cutting line in the protective release sheet are held, the microneedle adhesive sheet is removed and applied to the skin as the protective release sheet is broken. Light pressure is applied to the surface of the microneedle array and the microneedles pierce the stratum corneum.
