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Objective To analyze the completion condition of general projects in the field of cerebrovascular diseases of National Natural Science Foundation of China, and discuss the status and existing problems of basic research in this field. Predict the development trend and provide reference for decision-making. Methods Through the big data knowledge management service portal of the National Natural Science Foundation of China, the basic information of the concluding projects with application code H0906 (cerebrovascular structure, function abnormalities and related diseases) during 2019 to 2021 were obtained. Excel software and Power Query components were used to analyze the research achievements, supporting institution distribution, regional distribution and research direction distribution of the concluding project, and VOSviewer software was used to analyze research hotspots. Results There were 177 concluding projects with code H0906 during 2019 to 2021, supported by 51 institutions (14 of which undertook 110 projects, 62.15%). 1532 academic papers were produced and 324 talents were cultivated. Among the supporting institutions, comprehensive colleges and universities undertook 96 projects (54.24%), and each project produced 9.52 academic papers, with 1.91 papers more than that from medical colleges and universities. Among the supporting institutions from 19 provinces and cities, Shanghai, Jiangsu, Beijing, Guangdong, Hubei, Chongqing 6 provinces and cities completed 113 projects (63.84%), the number of authorized patents was 30 (90.91%), and 27 person-time participated in international conferences (75.00%). There were 18 research directions under H0906, involving 107 projects of ischemic cerebrovascular diseases (60.45%). Keyword cluster analysis showed that the basic research hotspots in the field of cerebrovascular diseases were inflammatory response, microglia, neuroprotection and nerve regeneration. Conclusions Research achievements of general projects in the field of cerebrovascular diseases of National Natural Science Foundation of China were of various types, were mainly papers and talent training, supported by comprehensive colleges and universities with unbalanced geographical distribution, and research directions were relatively concentrated, which were mainly ischemic cerebrovascular diseases. [ABSTRACT FROM AUTHOR]