Evidence-based nursing is a process in which nurses combine scientific research conclusions with clinical experience and patients' wishes seriously, clearly and wisely in the process of planning nursing activities, and obtain evidence as the basis for clinical nursing decision-making. It is also an important part of evidence-based medicine and evidence-based health care.

From the perspective of long-term development of nursing, evidence-based nursing mode is more profound than total quality improvement mode. Collect empirical data from authoritative sources to find the best nursing behavior, and then critically evaluate whether the best effect can be achieved or whether further research is needed. This cycle, rising, to achieve the purpose of continuous improvement of nursing quality.

The practical significance of evidence-based nursing;

Nursing practice is characterized by variability, and nurses often lack reliable empirical evidence when making clinical decisions. For example, what disinfection method to choose, when is the most suitable time for specimen collection, how to enhance patients' compliance, how to evaluate the effect of nursing behavior, and how to get the greatest support from patients' families.

It is often difficult for nursing managers to find the real "standard" when making nursing routine. There are some differences between nursing theory and nursing practice.