目的 检索、评价和汇总COPD患者出院准备服务最佳证据，为临床护理实践提供参考。 方法 系统检索相关网站、国内外数据库中与COPD患者出院准备服务有关的文献，包括指南、专家共识、证据总结、系统评价、最佳临床实践、标准，2名研究者对文献进行质量评价并根据主题进行证据提取和汇总。结果 共纳入13篇文献，包括指南6篇、最佳实践1篇、系统评价5篇、证据总结1篇，从COPD患者出院准备服务筛选与评估、制订计划、住院期间健康指导、出院前准备、出院时指导、出院后追踪和评价6个方面形成30条最佳证据。 结论 该研究总结了COPD患者出院准备服务实施的最佳证据，可为医护人员制订合理的出院准备服务方案、规范临床实践和保障出院后过渡期安全提供循证依据。

Objective To search，evaluate and summarize the best evidence of discharge preparation service for patients with COPD，and to provide reference for clinical nursing practice. Methods The literatures related to the discharge preparation service of COPD patients in relevant websites and domestic and foreign databases were systematically searched，including guidelines，expert consensus，evidence summaries，systematic reviews，best clinical practices，standards. Two researchers finished the quality evaluation of the relevant literatures，extracted and summarized the evidence according to the theme in combination with professional judgment. Results A total of 13 articles were included，including 6 guidelines，1 best practice，5 systematic reviews，1 evidence summaries. Thirty pieces of the best evidence on COPD patients’ discharge preparation services were formed from six aspects：screening and evaluation，planning，health guidance during hospitalization，preparation before discharge，discharge guidance，and post-discharge and evaluation follow-up. Conclusion This study summarizes the best evidence for the implementation of discharge preparation service for patients with COPD，which can provide evidence-based basis for medical staffs to formulate reasonable discharge preparation service plan，standardize clinical practice and ensure the safety of post-discharge transition.