Building a data infrastructure for the humanities and social sciences，supporting the data storage，access，use and release to achieve data reusability，association and aggregation，which can effectively promote the overall digital transformation of humanities and social sciences research. Taking the Japan Data Infrastructure for the Humanities and Social Sciences program as the research object，it analyzes from the perspectives of program content，construction mode and program strengths. The construction of the Japan Data Infrastructure for the Humanities and Social Sciences is based on the process of sharing and using research data by researchers，and provides corresponding products and services throughout the life cycle of data production，data processing，data storage，and data reuse. The program is characterized by an orderly division of labor among multi-subjects' collaboration，data standards that emphasize openness and compatibility，data use that emphasizes regulation，and culture formation that emphasizes cultivation，which can provide China's digital humanities research data infrastructure construction with enlightenment such as realizing coordinated management，giving full play to the advantages of organizational aggregation，and perfecting data standards.