白芷为我国常用大宗中药材之一，药用历史悠久。基于incoPat专利数据库对全球范围内近20年的白芷专利数据进行检索，共检索出白芷相关专利16 285件，运用常见的可视化图表分析方法，从全球发展趋势、技术研发热门领域、专利布局、专利价值和质量、功效应用等方面对白芷专利进行格局分析。分析表明，白芷当前研发正进入新的发展阶段；白芷中药材、中成药、化妆品及具有保健功能的食品和饮品为当前白芷的技术研发热点；中、韩2国为全球主要的白芷专利布局地；我国白芷专利虽数量巨大，但专利价值和质量与世界水平仍有一定差距；白芷在治疗鼻炎、头痛、美白肌肤等方面具有较高的认可度与关注度。从白芷当前的发展趋势来看，未来白芷领域尚有广阔的发展空间，我国白芷专利申请人可根据自身发展优势、发展短板和全球发展机遇、国际挑战制定正确且符合自身的发展策略。

Baizhi (Angelicae Dahuricae Radix) is one of the commonly used bulk Chinese herbs in China and has a long history of medicinal use. The patent data of Angelicae Dahuricae Radix for the past 20 years based on incoPat patent database was searched, and16 285 patents related to Angelicae Dahuricae Radix were retrieved. The pattern of Angelicae Dahuricae Radix patents in terms of global development trend, popular areas of technology research and development, patent layout, patent value and quality, and efficacy application using the common visual chart analysis method were analyzed. Analysis showed that the current research and development of Angelicae Dahuricae Radix was entering a new stage of development; Current technological research and development hotspots of Angelicae Dahuricae Radix were Chinese herbal medicine, Chinese patent medicine, cosmetics and food and drinks with health care functions; China and Korea were the main patent layout of Angelicae Dahuricae Radix worldwide; Although the number of Chinese patents of Angelicae Dahuricae Radix was huge, there was still a certain gap between the value and quality of patents and the world level; Angelicae Dahuricae Radix had high recognition and attention in treatment of rhinitis, headache and skin whitening. From the current development trend of Angelicae Dahuricae Radix, there was still a broad space for development in the field of Angelicae Dahuricae Radix in the future, and Chinese patent applicants of Angelicae Dahuricae Radix could formulate correct and consistent development strategies according to its own development advantages, development weaknesses and global development opportunities and international challenges.

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国家自然科学基金青年基金项目（81703654）；国家中医药管理局全国名老中医药专家传承工作室建设项目（国中医药人函[2019]41号）；四川省科技计划重点研发项目（2020YFN0152）；成都中医药大学“杏林学者”学科人才科研提升计划（CXTD2018003）