Professor Ming-Wei Wang, Director of the National Center for Drug Screening and the Chinese National Compound Library (CNCL), visited Peking University School of Pharmaceutical Sciences in the morning of May 25, 2015. He was warmly received by Professor Lihe Zhang (Academician of Chinese Academy of Sciences), Drs. Junyi Liu (Dean), Demin Zhou (Vice Dean) and Jingrong Cui (Head of Screening Laboratory). Professor Wang delivered an invited lecture describing the history and perspective of CNCL that was enthusiastically responded by the audience.