Introduction: At the beginning of 2020, the Corona Virus created a major pandemic in the world that was associated with death in all countries. In addition to the many crises caused by this pandemic, a variety of mental disorders also emerged. One of the most common disorders in the acute phase of the disease was Stress and Depression in patients as well as the general population. During this time, many protocols have been proposed for managing stress and depression. In this study, the effect of Spirituality and Religious Behavior on reducing depression caused by grief and stress has been studied. Presentation Case: Our case is a 45-year-old Iranian Muslim woman who witnessed the death of her husband at the beginning of the Corona pandemic, and she herself suffered from Covid 19. She has been quarantined and under treatment for three months. During this time, she was alone and could not even attend his wife's funeral and mourning. Due to quarantine, others did not contact him and only contacted him by phone. This person is a believer, has high spirituality and performs religious behaviors carefully, and believes that deep belief in God, spirituality, and performing religious behaviors can make suffering easier. Conclusion: Through an in-depth and semi-structured interview with a phenomenological approach, it was found that she was able to overcome the stress caused by the Corona pandemic and Covid 19 and also the depression caused by mourning her husband by relying on deep religious beliefs. And keep yourself consistent in life. It was also concluded that if there were no religious beliefs and spirituality in this person, he could not overcome the stress of illness and grief of her husband divine worldview can increase spirituality and the power of compromise in the face of suffering.