Professor Tamas Bartfai of the Scripps Research Institute (La Jolla, California, USA) visited the Chinese National Compound Library (CNCL) again in the morning of November 9, 2015. He received a warm reception by Dr. Ming-Wei Wang, Director of CNCL, and made several rounds of in-depth exchanges with some senior scientists, key technical staff and graduate students of the National Center for Drug Screening relative to their respective research progresses. Professor Tamas Bartfai went to School of Pharmacy, Fudan University in the afternoon to interact and discuss various topics regarding drug discovery with faculty members and students.