People's mental health began to be disrupted due to the impact of the Covid-19 pandemic. In the form of experiencing economic difficulties due to job losses, sad because they are left behind by their loved ones, depression because they are limited to all social activities, and excessive fear of the future due to the Covid-19 pandemic. All difficulties in life during the pandemic basically, Islam views as a test that has valuable lessons in human life that must be addressed with positive behaviors such as patience, sincere, praying, optimistic, trying and not giving up hope. Meanwhile, the purpose of this study is to provide an explanation related to the prevention of Covid-19 through, the influence of mental health in a person according to Islam, based on qualitative research methods with a phenomenological study approach that uses data collection techniques, namely library studies based on data sources relevant to research written both from journals, books, and articles. In order to produce a comprehensive and in-depth research study. The results of this study, explained that a person's mental health due to a positive attitude in living difficult living conditions during the pandemic such as patience, sincere, praying, optimistic, trying and not giving up hope can affect his physical health so as to prevent contracting a disease such as Covid-19. Conversely, a person who responds to a burden of life with negative attitudes such as depression, anxiety, fear, and despair tends to experience mental disorders that have a bad effect on physical health. Thus, applying a positive attitude when facing difficult sites, especially during the Covid pandemic as recommended in Islam, will actually help maintain the health of one's body both psychologically and physically.