Energy is the essential strategic material to the national economy and national defense. Throughout the trend of the modern and future wars, military equipment has always been inseparable from the energy support. Confronting with serious challenges, ease the oil crisis only by strengthening the strategic petroleum reserve, or improve the efficiency of oil is not a long-term strategy. This paper analyzes the current grim situation of the world's energy, as well as its influence to economic, political and military levels through the latest data and charts. Briefly summarize the major energy strategy of U.S. army, list and describe its latest new energy research, development approach and its applications in military equipment. Finally, make suggestions to reduce energy consumption, use alternative energy, carry out resource-ability studies and other aspects of our equipment.