Drs. Luís Filipe Ferreira Moita and M. Carmo-Fonseca from Faculdade de Medicina, Universidade de Lisboa visited the Chinese National Compound Library (CNCL) in the morning of March 18, 2014. They were accompanied by Professor Wei Tang of Shanghai Institute of Materia Medica, Chinese Academy of Sciences. The Portuguese guests appreciated very much the state-of-the-art facility and the operating model of CNCL. They hope to establish bilateral collaboration with CNCL before long.