The invention relates to a jig for microneedle array placement that is provided with a main jig body with through holes through which the microneedles of the microneedle array will pass and a guiding part that guides the microneedle array to be incorporated into the main jig body and leads the microneedles into the through holes, and a microneedle array device using the jig for microneedle array placement. The invention prevents the deformation of the skin surface during puncture and allows penetration of the microneedles to the prescribed depth under the skin.