covid 19 emerged in China and soon spread around the world. Due to the characteristics of easy and rapid transmission, lack of development of drugs and treatment methods on the one hand and the natural side effects of the measures taken on the other hand, the debate created political, social and economic effects on the national and international stage. It is not yet clear to what extent this can affect the international system. It is clear that the world after the epidemic will not be like in the past. The main question of this article is how has Covid 19 influenced the main trends and parameters of the international system? To what extent will the coronavirus bring change to the world? Evaluation and analysis are based on the trend Impact analysis and the teachings of the literature produced on the issue of change in international relations studies. Findings show These new process makes the international system fragile and uncertain and shows that discourse of realism has strengthened rather than neoliberal policy.