面对新文科建设需求，高校图书馆需要主动进行服务创新来回应数智时代新文科建设的呼唤，承担起新时期高校图书馆的新使命。文章梳理了学科服务到学科数据服务的发展演进过程，并依据数据生命周期理论构建了“大数据+小数据”的学科数据服务模式，进而提出相应的实施策略。文章认为，数智时代的高校图书馆要树立大数据思维理念，根据新文科建设需求重塑图书馆学科服务模式，提供高效、精准、专业的学科数据服务，全面提高学科数据服务的服务层次和质量。

Facing the needs of new liberal arts construction, university libraries need to actively carry out service innovations to respond to the call for new liberal arts construction, and undertake the new mission of university libraries in the era of digital intelligence. The article sorts out the development and evolution process from subject services to subject data services, and constructs a "big data + small data" subject data service model based on the data life cycle theory, and then proposes corresponding implementation strategies. The article believes that university libraries in the era of digital intelligence should establish the concept of big data thinking, reshape the library subject service model according to the needs of new liberal arts construction, provide efficient, accurate, and professional subject data services, and comprehensively improve the service level and quality of subject data services.