This essay provides an in-depth analysis of Patricia Benner's 'From Novice to Expert' theory in nursing, exploring how nursing professionals develop expertise over time through a combination of experience and education. The essay outlines the five stages of skill acquisition: novice, advanced beginner, competent, proficient, and expert, illustrating how nurses progress from relying on rules to utilizing intuitive clinical judgment. It examines the theory's application in practice, referencing articles that highlight its use in simulation facilitation, shaping nursing students' professional identity through clinical placements, enhancing clinical learning, and promoting intuition-based decision-making. The essay emphasizes the importance of adapting to dynamic healthcare environments and the need for nurses to continuously develop their skills to provide optimal patient care. It further highlights the role of self-reporting competency tools and psychometric tests in assessing a nurse's expertise.