In order to strengthen the supply of 5G spectrum in Taiwan, the plan continues to analyze the international spectrum regulation trend, grasp the regulations and supporting measures of advanced countries in dynamic spectrum allocation that can help achieve a new mechanism of flexible spectrum management, and take into account our national conditions. We conduct in-depth research on industrial technology and socio-economic aspects, and support competent authorities in completing the preparation of the dynamic spectrum sharing mechanism as an available tool for flexible spectrum supervision to further improve the efficiency of spectrum use.