The crisis in Ukraine was one of the reason Russia had to change its military policy after the signing of the 2014 Military Doctrine. The crisis in Ukraine became Russia's momentum that Russia could defend the country's interests, especially in protecting ethnic citizens in Ukraine, the gas lines through the Ukraine state, and the NATO expansion that made Russia worried that Ukraine would no longer be a neutral country and join for NATO. For this reason, Russia intervened militarily because Russia was strong in the military field. The author raised the title of this thesis "The changes in Russian Military Policy Against the Ukraine Crisis After 2014 Military Doctrine", that is to know the reasons why Russia needs to change its military policy after the 2014 military doctrine was signed, and why Ukraine was an important country for Russia. The theory that the author use in this thesis is the Foreign Policy Theory (foreign policy) which in this foreign policy theory there are 3 factors that influence in producing a foreign policy action, namely: the domestic political situation, economic and military capabilities, international situations and conditions . Russia made foreign policy in the form of military intervention during the crisis in Ukraine because it had its own purpose.