Under the shocks of digitalization and networking,National Science Library of the Chinese Academy of Sciences(NSLC)has executed the transformation strategy for knowledge-based services,and fully pushed forward the literature information services of NSLC.Supervised by the Chinese Academy of Sciences(CAS),NSLC has established the Literature and Information Branch of Chinese Alliance of Under the shocks of digitalization and networking, National Science Library of the Chinese Academy of Sciences (NSLC) has implemented the transformation strategy for knowledge-based services, and fully pushed forward the literature information services of NSLC. Published by the Chinese Academy of Sciences (NSLC) CAS), NSLC has established the Literature and Information Branch of Chinese Alliance of