this study aimed to investigate the role of attachment styles in quality of life and loneliness during the corona crisis. three hundred nineteen people (307 females and 84 males) with a minimum degree of education at the age range of 18 61 were selected by convenience sampling method and adult attachment inventory (besharat, 2005), the loneliness scale (dehshiri, borjali, sheykhi & askarabad, 2008) and the who quality of life questionnaire (who, 1996). data were analyzed via simultane ous regression. findings showed that secure attachment style predicts negatively some components of loneliness (total loneliness, relationships with friends and family) and positively some components of quality of life (mental health and social relationship). also, all components of loneliness and quality of life are predicted positively and negatively by insecure attachment styles, respectively. overall, the results of this study show that attachment styles can be related to loneliness and quality of life in people during the corona epidemic. studying the role of other factors related to these two variables can facilitate future studies on the effect of these factors on loneliness and quality of life in crises such as corona and lead to the design and implementation of interventions to increase the ability of individuals to cope with the virus and environmental and social conditions emerge.