After the election of Rodrigo Duterte as President of the 16th Philippines on June 30th, 2016, citizens of the Philippines and the world were shocked by the emergence of a drug policy launched by Duterte. This policy is terrible because it requires that the person is killed if involved with drugs. The emergence of this policy caused anxiety for the citizens of the world and there was a criticism of Duterte for the policies he made. By looking at the case the author tries to formulate a research question, namely, how do Duterte confront the international pressure given by the United Nations about his war on drugs policy. To research this research question, the author using the concept of struggle diplomacy and concept sovereignty of the state. The concept of struggle diplomacy is telling about how a state tried to maintain its own policy for the right of the country without influence from outside. And the concept sovereignty of the state is the highest legal power of the nation that makes and implements the law in certain regions and, as a result, is free from any other nation's power and equality with other nations under international law, so no outsider can intervention this policy