This applicator is provided with a support surface for supporting a sloped micro-needle, and a rotation mechanism for rotating the support surface in the direction of the distal end of the micro-needle along the longitudinal direction in which the micro-needle is to puncture skin, the rotation mechanism being limited in movement range.有關一實施形態之微型針施作器,係具備有:支撐傾斜的微型針之支撐面、及於微型針扎入皮膚之前後使支撐面朝該微型針的前端之方向旋轉,且移動範圍被限制之旋轉機構。30‧‧‧微型針施作器31‧‧‧支撐板32‧‧‧外框33‧‧‧連接部(旋轉機構)33a‧‧‧山狀折曲部33b‧‧‧谷狀折曲部