The psychosocial consequences of the coronavirus pandemic is serious for health professionals including nurses because of a higher level of exposure. Nurses often face huge psychological pressure as a result of workload, long hours, and working in a high-risk environment. This study aimed to assess the associated factors of anxiety, depression, and stress among nurses working in Iran. The research method is library type which was done during 2 months by using valid scientific sources and books. More than two-thirds, more than half, and nearly one-fifth of the nurses had anxiety, depression, and stress, respectively. Unavailability of a guideline, fear of infecting family, and having chronic diseases increase the risk of developing anxiety. Nurses who did not have a guideline, received negative feedback from families, had a history of mental disorders, and chronic diseases have a higher odds of depression. Working in the night shift, lack of training, fear of infecting family, negative feedback from families, presence of confirmed/suspected cases in the family, and having chronic diseases increases the risk of developing stress.