Providing appropriate end-of-life care has become a primary concern of nurses. In today’s world, it is important for nurses to strengthen their knowledge regarding end-of-life especially for elder people. The purpose of this article is to study the theoretical underpinning, concepts, metaparadigms and definitions of the peaceful end-of-life framework proposed by Cornelia Ruland & Shirley Moore in 1998.Proposed theory was reviewed in depth to identify the concepts emerging from end-of-life care. Ruland & Moore have defined five major outcome standards that contribute to a peaceful EOL for terminally ill patients. (1). being free from pain, (2) experiencing comfort (3), experiencing dignity and respect, (4) being at peace and (5) experiencing a closeness to significant others or other caring person. This theory contributes the rich body of knowledge for nurses the need to provide end-of-life care. It provides insights and can contribute to increase knowledge about nursing interventions that provides peaceful end.