The public service platform of educational resources in Baoan District (cn.baoan.edu.cn) is one of the important contents of the construction of "three links and two platforms" in Baoan District. The platform takes online learning space as the core, realizes the interconnection of national, provincial and municipal resource platforms according to the actual needs of teachers and students, promotes the dynamic integration, co-construction and sharing and optimal allocation of high-quality resources between Baoan District and enterprises, and forms a dynamically updated educational resource service system that matches the teaching materials of various disciplines in Baoan District. We can also set out from the practical teaching application, rationally allocate educational resources with space as the carrier, and build educational information infrastructure and public service system with practical application value with the goal of promoting educational balance and improving the quality of education and teaching, so as to realize the reform of teaching and learning methods. At the same time, Baoan platform is also the first pilot platform for the construction and application of the national digital education resources public service system.