In this review paper, we have a study of machine learning strategies to see a face mask. The new Corona virus (COVID-19) is very dangerous it has touched the earth. At the end of November 2021, the global number is new Corona virus cases already exceeded 29.9 cr and death toll was 45,50,000 according to the World Health Organization (WHO) information. https://www.theijire.com/archives/paper-details?paperid=294&papertitle=a-review-on-face-mask-detection