This article explores the application of phenomenological methodology in nursing research. Five parts related to this application are included. The first part includes the basic concepts and research principles of phenomenology. The second details research steps, including identifying phenomenon, structuring research, collecting data, analyzing data, and describing phenomena. The third reviews the application of phenomenology in nursing clinical research for exploration of future directions, education, and administration. The fourth examines the rigor of phenomenological methodology from the view of reliability and validity in logical positivism and from the criteria of the qualitative research. Finally, the fifth includes the limitations and the characteristics of phenomenological methodology. The intent of this article is to induce reflection on nursing research and explore future applications of phenomenological methodology in understanding human health experience and needs.