The present invention relates to a medication injection-type microneedle device which is configured such that injection of medication and blocking thereof proceed effectively, and which has a separate medication discharge passage such that medication can be supplied efficiently. A medication injection-type microneedle device according to the present invention comprises: a container a cap body which is separately installed near the entrance of the container, and which has a communication hole provided at the center thereof a needle retaining portion which is coupled to the upper portion of the cap body, which has a through-hole formed at the center thereof, and which has a plurality of needles protruding around the through-hole a pressing portion which is provided to surround the upper side of the cap body, which has a coupling hole provided to communicate through the center thereof, which has needle sliding holes formed through the same so as to correspond to the needles, and which comprises a plurality of discharge holes communicating with the through-hole of the needle retaining portion a spring installed between the pressing portion and the cap body to be supported elastically a valve body coupled to the communication hole of the cap body an opening/closing induction portion installed in the coupling hole of the pressing portion an opening/closing means configured such that, as the valve body and the opening/closing induction portion are fastened to each other, the opening/closing means induces injection of medication contained in the container and blocking thereof by means of operations of the pressing portion and the spring and a cap separably installed on the cap body so as to surround the pressing portion.La présente invention concerne un dispositif de microaiguille de type à injection de médicament qui est configuré de sorte que linjection de médicament et le blocage de celui-ci se produisent efficacement, et qui a un passage dévacuation de médicament séparé
