The explanation of Iran's security policies in West Asia after the Islamic Revolution has always been desired by various politicians, researchers, and scholars, which policy to adopt provides maximum security and national interests. Various security threats from the American axis, Israel and their allies have strengthened the anarchy, which has led Iran to self-help and form a security alliance.Based on the main research question, what is the relationship between the regional presence of Iran and Iran's national interests in West Asia? The findings of the research show that improving security, expanding Iran's strategic depth and maintaining regional balance through the use of two strategies: 1- military hard power combined with soft power foundations and 2- military and security alliance and alliance with Islamic government and groups have a significant relationship with regional presence and response to regional threats. According to the function of the security strategy, deterrence in the concept of maintaining existential security against the axis of America, Israel and the allied allies and the political systems of Iraq and Syria by destroying the military facilities of the terrorist groups and providing Iran's strategic depth to the defense lines of the resistance axis. the deterrence of the axis of resistance has been seriously tested and the balance of regional forces is under the components of war. The current research is of a descriptive-analytical nature, which uses descriptive and qualitative methods in data and information analysis. The method of collecting information is to use library resources and articles