目的 基于CiteSpace可视化软件将肺络研究领域2000年至2020年近20年所刊文献的演进历程集中地展现在直观的知识图谱中，以了解肺络研究领域的文献现状，并进一步发掘未来的研究热点与方向。方法 以CNKI数据库中肺络研究领域发表的论文为研究对象，利用CiteSpace软件对年际发文量、发文作者、发文机构、关键词等进行可视化分析，并绘制相关图谱。结果 核心作者的最低发文数为5篇，关键词聚类图谱主要聚为10类。除肺络以外，肺纤维化、慢性阻塞性肺疾病、络病理论、络病、新型冠状病毒肺炎等是近年来的主要研究主题，而从 “络病理论”范畴指导肺络研究，很有可能会成为未来几年的研究热点。结论 基于中医络病理论将络病思想充分延深至肺络研究领域，以建立完善的基于肺络理论防治肺系疾病的特色证治体系，能在一定程度上推动中医诊疗疾病的发展进程。

Objective To understand the papers status of lung collateral research, and further find future research hotspots and direction, based on the evolution process of papers about lung collateral research in recent 20 years from 2000 to 2020 presented in a visual knowledge map by CiteSpace visualization software.Methods Taking the papers about lung collateral research in the CNKI database during the 20 years from 2000 to 2020 as the research object, CiteSpace software was used to analyze the annual number of articles, the authors of the articles, the institutions, keywords, etc., and draw the relevant maps by visual analysis.Results In recent 20 years, the minimum number of papers published by core authors was 5. The keywords were clustered into 10 categories. Besides lung collateral, pulmonary fibrosis, chronic obstructive pulmonary disease, collateral disease theory, collateral disease and new coronavirus pneumonia were the main research topics in recent years. It was likely to become a research hotspot in the next few years to study and guide the lung collaterals from the "collateral disease theory" category.Conclusion Based on the theory of collateral disease of traditional Chinese medicine, the thought of collateral disease is fully extended to the field of lung collateral research, so as to establish a perfect characteristic syndrome treatment system based on the theory of lung collateral disease, and promote the development process of traditional Chinese medicine diagnosis and treatment of diseases.

国家自然科学基金委员会面上项目（81373579）：基于TGF-β1/Smads信号传导通路的益气养阴活血通络法干预特发性肺纤维化机制研究，负责人：吕晓东；辽宁省科学技术厅“兴辽英才计划”高水平创新创业团队（XLYC1808011）：肺络病证治体系构建及应用创新团队，负责人：吕晓东。