Drs. Saijuan Chen (Academician of Chinese Academy of Engineering and Director of Shanghai Institute of Hematology), Ruibao Ren (Executive Deputy Director of Shanghai Institute of Hematology), Bing Chen (Head, Clinical Diagnosis Laboratory at Department of Hematology), Junmin Li (Chief Physician, Department of Hematology), Jianqing Mi (Chief Physician, Department of Hematology), Jiong Hu (Chief Physician, Department of Hematology), Jianmin Liu (Chief Physician, Department of Endocrinology), Jiguang Wang (Chief Physician, Department of Hypertension), Lin Lu (Chief Physician, Department of Cardiology), among others, from Ruijin Hospital, visited the Chinese National Compound Library (CNCL) in the noon of September 29, 2015. Dr. Ming-Wei Wang, Director of CNCL, briefed them with the development history and service achievements of the National Center for Drug Screening and CNCL, which were highly appreciated. Professor Chen and other honorable guests were deeply impressed by the operating mechanism, management style and cultural atmosphere at CNCL.