Objective: This article aims to provide an in-depth analysis of the concept of self-care in the intensive care unit and outline its defining attributes,antecedents,consequences and empirical referents.Methods: The literature was searched electronically using databases such as CINAHL,Medline,Psych INFO,ERIC,ScienceDirect,Amed,EBSCO (Health Source: Nursing and Academic Edition),Sage,Ujoogle and Google Scholar.Articles from 2013 to 2020 were searched to target recent and up-to-date information about the definitions,attributes,antecedents and consequences of the concept of self-care.Walker and Avant’s framework was utilised to analyse the concept of self-care.Results: The results of the concept analysis identified seven attributes,namely process,activity,capability,autonomous choice,education,self-control and interaction.The seven identified antecedents are self-motivation,participation,commitment,resources,religious and cultural beliefs,social,spiritual and professional support,and the availability of time.The consequences are the maintenance of health and wellbeing,autonomy,increased self-esteem,disease prevention,empowerment,increased social support and the ability to cope with stress.Conclusions: The result of the concept analysis was used to describe a model to facilitate professional nurses’ self-care in the intensive care unit.