A method and an apparatus for manufacturing an adhesive patch which is easily applied to the skin. The method includes a first step of forming a pressure-sensitive adhesive agent layer on a support, a second step of fixing a pinching piece forming sheet on a release sheet, a third step of forming a weakened part in the release sheet and the pinching piece forming sheet, and a fourth step of releasably adhering the release sheet to which the pinching piece forming sheet is fixed, that has been obtained in the third step, to the pressure-sensitive adhesive agent layer on the support, that has been obtained in the first step.