The nuclear power generation which has almost finished its long preparatory period is coming near to practical use. In view of the fact that it is expanding more and more, a fundamental policy of steady procurement of uranium resources for the future should be urgently established. The author describes the current and future demand and supply of uranium fuel in Japan as well as in various countries, and emphasizes the necessity for the active exploration and development of domestic uranium resources together with the rapid undertakings of a programme of overseas resources proeurement