This paper interprets the latest guideline on external validation of clinical risk prediction models published by BMJ (2024 edition). It analyzes and summarizes five key steps:obtaining high-quality datasets, predicting outcome events, assessing model performance, evaluating clinical applicability, and reporting results clearly and transparently. Additionally, it offers suggestions regarding the challenges and limitations of external validation of risk prediction models in the nursing field in China, aiming to promote the translation of high-quality risk prediction models into clinical practice in nursing.