Often, in studies related to international relations, the security of activists, especially in the regional arena, is considered as one of the most important principles in the foreign policy of countries. Especially since the political-security issues after the Arab Spring in the region, have made common interests among the regional actors, and added to the growing concern of Middle East about security. For this reason, today, the regional counterparts in the Middle East who have common interests have generally focused on regional security assemblies in order to maintain their survival. In this regard, the security agenda in the Middle East concerns the crisis in Yemen, which may extend to other areas and challenge the other players' interests. That’ s why, the Islamic Republic of Iran, as an active actor and regional hegemony, has been struggling to adopt a protective approach for the Yemeni nation-state in order to secure its regional security since the beginning and growth of the crisis in Yemen. Therefore, the focus of this study is on the efforts of the Islamic Republic of Iran to maintain the axis of resistance, the geopolitical security of Yemen, and to maintain its ideological and regional influence. So, the main question of the present research focuses on the issue which is "what approach of the foreign policy can be relied on for the analysis of the position of the Islamic Republic of Iran regarding the crisis in Yemen.