Background: The COVID-19 was first reported in 2019 in Wuhan, China, and spread rapidly in China and other countries. The virus was followed by a wide range of bacterial and opportunistic fungal diseases, including fungal infections such as mucormycosis. Materials and methods: In this narrative review study, scientific databases, such as PubMed, Google Scholar and Springer were searched with the keywords, including Mucormycosis and COVID-19 in the time period between 2020 February and July 2021. 27 articles were retrieved, in which 18 articles were used in the study and 9 were excluded. Results: So far, many people with the coronavirus have been infected by black fungus in the world. Most affected people had the history of diabetes mellitus and also receiving high dose corticosteroids. Conclusion: Recently, with the outbreak of a new wave of the deadly Covid 19 virus in India, there have been many cases of mucormycosis. Mucocycosis is fatal in about 30% of cases.