This report discusses the importance of ethical principles in nursing, specifically autonomy, justice, beneficence, and non-maleficence. It includes a case study of an 87-year-old man and the relevance of NMBA code of conduct and ICN code of ethics in nursing. Autonomy involves working without external influence, justice means being fair and impartial towards patient care, and beneficence and non-maleficence involve promoting good practices and protecting patients from harm. The report concludes with the importance of ethical principles in developing service areas of healthcare organizations.