This exploratory study is carried out in April, 2020, when corona virus is spread all over the world and become Economic crisis 2020.The objective of this study is to answer some questions arise in mind, how many countries infected and reduce their economic activities? What are effective fiscal and monetary policies at International level to address the crisis? Is monetary and fiscal policy used as vaccine to prevent the world economy from crisis? It is a hot topic these days when world is facing this covid-19. Researcher get information from different website, International monetary fund(IMF), Organization of economic cooperation and development (OECD) Standard& poor's, (S&P) rating agencies, and some past papers to exp...