A microneedle device system comprising a microneedle device, the microneedle device having a microneedle sheet in which a plurality of microneedles is formed substantially along a surface of the sheet in which a first surface is a skin-contact surface and a second surface is a back surface, and the plurality of the microneedles in a skin puncture area of the sheet is raised from the skin-contact surface so as to puncture a patient’s skin when the sheet is bent in a thickness direction, an adhesive layer which is provided at the microneedle sheet, and a liner which is attached at the adhesive layer so as to separate therefrom； and an auxiliary device which has a bending portion which bends the microneedle device in the thickness direction and on which the microneedle device is mounted so as to move along the bending portion.一種微針裝置系統，其具備微針裝置及輔助具，該微針裝置具有：片狀微針，其係大致沿著單面為皮膚接觸面、另一面為背面的薄片的面形成複數個微針，若將前述薄片朝厚度方向彎曲，則前述薄片之皮膚穿刺區域的前述微針會從前述皮膚接觸面可穿刺皮膚地立起；黏著劑層，其係設於前述片狀微針；及襯墊，其係可剝離地安裝於前述黏著劑層；該輔助具係具有可使前述微針裝置朝厚度方向彎曲的彎曲部，並且可沿著前述彎曲部移動地裝設前述微針裝置。
