The article discusses the difference between qualitative and quantitative research in healthcare. Qualitative research focuses on understanding people's beliefs, experiences, attitudes, behavior, and interactions, while quantitative research relies on numbers and objective methods. Qualitative research adds a new dimension to intervention studies that cannot be obtained through numbers alone. It is used in clinical research to view data more extensively and enhance user involvement in clinical trials. The paper explains the nature of qualitative research, different research designs, methods of collecting data, handling research data, analyzing results, and presenting findings.