A transdermal microneedle array patch, comprising: a bottom cover; a top cover; a substrate disposed within the top cover; and a first probe and a second probe disposed between the bottom cover and the top cover and electrically connected the substrate, wherein the first and second probes form an open circuit; wherein while the bottom cover is combined with the top cover to form the transdermal microneedle array patch, the first and second probes form a closed circuit.一種經皮微針陣列貼布,包括:下蓋;上蓋;基板,設於該上蓋內部;以及第一探針及第二探針,設於該下蓋及該上蓋之間且電性連接該基板,其中,該第一探針及該第二探針之間為斷路;其中,當該下蓋組合該上蓋形成該經皮微針陣列貼布時,該第一探針及該第二探針之間形成通路。