【Purpose/significance】The report of the 20th National Congress of the Communist Party of China systematically discusses

the important roles of education, technology, and talent, and reemphasizes the importance of the strategy of revitalizing the country through science and education and strengthening the country through talent. Analyzing the evolution of academic library subject ser⁃vices between the 13th and 14th Five Year Plans can help improve the level of subject services and safeguard national science and education resources.【Method/process】 We analyze the two five-year plans of seven academic libraries, compare the measures taken by each library from four dimensions of resources, services, management, and platforms, and explore characteristic plans. It summa⁃rizes the optimization of subject services, in order to enhance the systematic and complete subject services of academic libraries in China.【Result/conclusion】 This article analyzes the evolution trend and obtains inspiration for improving the effectiveness of talent teams, developing disciplinary intelligence services, strengthening evaluation system supervision, enhancing teaching auxiliary attri⁃butes, and focusing on advantages. It assists in enhancing research capabilities, promoting the improvement of disciplinary service lev⁃els, and strengthening research education guarantee capabilities.【

Innovation/limitation】 This article only analyzes resources, services,management, and platforms, and can explore the characteristics of disciplinary service planning from other special dimensions in the future.