To provide a new ion powder activating device for improving the ionic activity of finely pulverized tourmaline ore.

In figure 1, this ion powder activating device has a cylindrical container 1 having ceramic coating on its inner wall surface, and having an openable and closable lid 9, a vacuum pump 17 connected on the opposite side of the lid 9 and a plus electrode tube and a minus electrode tube of a heating discharge tube installed alternately therein, a current collector 18 disposed along the periphery of the container 1 and a current collector 20 installed on the upper half of the periphery of an outer peripheral wall, which have rotating armatures 19 and 21, respectively, and a rectifier 22. The container 1 is rotated by a rotating device.