Accompanied by Professor Yang Ye, Deputy Director of Shanghai Institute of Materia Medica, Chinese Academy of Sciences (CAS), eleven honorable guests, led by Bing Xu (Director of Yunnan Provincial Government Science and Technology Department), Qixiang Hu (Deputy Director of Yunnan Provincial Academy of Science and Technology), Ren Lai (Deputy Director of Kunming Institute of Zoology, CAS) and Jingkun Wang (Deputy Director of Yunnan Provincial Institute of Materia Medica), visited the Chinese National Compound Library (CNCL) in the afternoon of August 9, 2016. They were deeply impressed by the level of internationalization of this state-of-the-art research facility.