The purpose of the present invention is to provide a novel agent having higher therapeutic effect than a conventional agent. The present invention solves the above problem by providing a nanominiaturized agent, wherein the average diameter of the active ingredients dispersed in the solvent is 1~20 nm.本發明的目的在於提供一種新穎的藥劑,其具有比以往的藥劑更高的治療效果。本發明藉由提供一種微小奈米化藥劑,來解決上述問題,該微小奈米化藥劑的分散於溶劑中的有效成分的平均粒徑為1~20nm。