The present invention is a system for producing a microneedle pharmaceutical preparation by coating a microneedle with a coating liquid containing a drug, and adjusting the atmospheric environment in the coating chamber for producing the microneedle pharmaceutical preparation, the system for producing the microneedle pharmaceutical preparation being equipped with: an air compressor; a moisture-permeable-film-type humidity adjustment device for adjusting the humidity of the air supplied by an air compressor, and separating the air and the water content serving as the humidity adjustment source with a moisture-permeable film; a pressure adjustment device for adjusting the pressure of the air to be supplied by the air compressor; and an air filter for removing bacteria from the air supplied to the interior of the coating chamber.本發明為提供一種微針製劑製造用系統,其係用於將包含藥劑之塗布液塗布於微針來製造微針製劑,且調節塗布腔室內之空氣環境的微針製劑製造用系統,其具備:空氣壓縮機、與用於調節由空氣壓縮機所供給之空氣的濕度,且前述空氣與作為濕度調節源之水分會被透濕膜所分離之透濕膜型的濕度調節裝置、與調節由前述空氣壓縮機所供給之空氣的壓力之壓力調節裝置、與將供給至塗布腔室內的空氣除菌之空氣過濾器。