Professor Lars Y. Terenius of Karolinska Institutet (Stockholm, Sweden) visited the Chinese National Compound Library (CNCL) in the afternoon of January 21, 2014. He was accompanied by Drs. Beili Wu and Qiang Zhao, both from Shanghai Institute of Materia Medica, Chinese Academy of Sciences. A warm reception was given by Professor Ming-Wei Wang, Director of CNCL.