Professor Guihai Wang，Professor Cheng Zhu and Professor Shouyi Chen, representing the Inspection Group for the lead project on “Stem cell and regenerative medicine” of Chinese Academy of Sciences (CAS) visited the Chinese National Compound Library (CNCL) in the afternoon of November 27, 2014. They were accompanied by Professor Jia Li (Deputy Director) and Professor Jingya Li of Shanghai Institute of Materia Medica, CAS. The honorable guests highly commended the operating mechanisms and cultural atmosphere of CNCL.