通过阐述证据分级体系在循证临床实践指南的重要地位，中医学和西医学临床证据特点的对比分析，评析了建立循证中医临床实践指南证据分级体系的各种设想，提出了具有本学科学术特点的中医文献证据分级标准。

This article explained that the evidence grading system occupied an important position in the evidencebased clinical practice guidelines. Through the comparative analysis on characteristics of clinical evidences between traditional Chinese medicine (TCM) and modern medicine, different possible establishment ideas of evidence grading system in TCM evidence-based clinical practice guidelines were proposed. The design for evidence grading standard of Chinese medical literature which reflected the academic characteristics of TCM was suggested.

国家中医药管理局中医药标准化研究项目（ZYYS-2011[0002]）：循证性中医临床实践指南制订方法学研究，负责人：汪受传。