[Aim] This study aimed to conduct a concept analysis and clarification of ethical competence of nursing students and nurses, and further clarify the components. [Method] Rodger's concept analysis method was used. A literature search was conducted using the ICHUSHI database, MEDLINE, and CINAHL databases. The keywords included in the search were ethical competence. A total of 24 published articles were analyzed. [Results] As a concept of ethical competence among nursing students and nurses, five categories of [ethical sensitivity], [ethical reasoning], [ethical decision making], [ethical practice], [ethical reflection], obviously became. As a component, two categories of antecedent factors and three categories of consequences were identified. I defined ethical competence in nursing students and nurses, "including nursing students and nurses thinking processes and nursing practice and reflection to solve ethical problems Behavioral characteristics". [Conclusion] Review of nursing practice from an ethical perspective [ethical reflection] is indispensable for clarifying self-tasks and deepening better nursing practice.