After the 911 terrorists attack, George W. Bush Administration has promoted the Global War on Terror, tried to win the war through the political warfare which was the fundamental of grand strategy in Cold War. It consists of political, economic, military and diplomatic instruments and has won the Cold War. Bush administration has considered the War on Terror is a war of ideas, if America wants to win the war, and then must counter the terrorist's propagandas of their ideas by the integrated strategic communication. Therefore, Bush Administration established the strategic communication policy coordinated mechanism and measures, to integrate the resources of international communication within the Administration for delivery of messages and good images to the world, particularly the Islam world. Strategic communication becomes the essentials of winning the political warfare and war of ideas in the War on Terror, but can it win?