In 2008，the new geopolitical contending has been putting on between Russia and U.S.in the Euro-Asian continent.Confrontation between two states is very intensive around independence of Kosovo，NATO eastward expansion and U.S.deployment of missile in Eastern Europe.Russo-US relation has been fallen into the serious crisises by Russo-Georgia state of war since the Cold War.This marked event has profound historical influence.The changing of Russo-US relation is of strategical and historical significance.