Accompanied by Professor Nan Shen (Director of Shanghai Institute of Rheumatology, Renji Hospital), Professor John B. Harley (Director of Center for Autoimmune Genomics and Etiology) from Cincinnati Children’s Hospital Medical Center, University of Cincinnati visited the Chinese National Compound Library (CNCL) in the afternoon of July 15, 2015. He was warmly received by Drs. Ming-Wei Wang (Director CNCL), Dehua Yang and Jiejie Deng, with whom potential collaborations in the area of immunology was enthusiastically discussed.