Tourism of event or “Event Tourism” is one of the modern and new established types of tourism in the world, which has not received much attention in the country of Iran despite its unique cultural and local capacities. Studying the impacts of event tourism in Iran has been the main goal of the research. To get the research objectives, a qualitative approach has been used, relying on library and field studies. Qualitative data has been collected based on the published sources on event tourism in Iran. Based on the research findings the following were determined, 1. the contributing factors and involving institutions in organizing event tourism in the country, 2. the existing approaches in the organization and 3. the impacts of event tourism in Iran. Finally, a number of corrections were suggested regarding these deficiencies. Considering the potential opportunities in the field of legislation, it is required to consider the possible capacities for event tourism as one of the essential parts of tourism. It has legal capacities to be considered under the responsibilities and mission of the Supreme Council (Ministry) of Cultural Heritage, to introduce the existing capacities following the approvals of the organization and preparing a relevant calendar. Moreover, the public culture council of the states can use their capacities to improve the cultural activities and utilization of local capacities.