Yonghong  Xiao, Professor and tutor for doctoral graduate, PI, State Key Laboratory of Diagnosis & Treatment of Infectious Diseases, 1^st Affiliated Hospital, School of Medicine, Zhejiang University. Professor Xiao graduated from Chongqing University of Medical Sciences with MD in 1985 and PhD in 1994. He worked in Department of Infectious Diseases, the First Affiliated Hospital, Chongqing University of Medical Sciences, from 1985 to 2001; He  moved to Institute of Clinical Pharmacology, Peking University and took the position of vice director till 2008. Professor Xiao’s major interesting includes infectious disease, basic and clinic research in antimicrobial agents, bacterial resistant surveillance and mechanisms, clinical pharmacology and rational use of antibiotics. He is the project leader of MOH national antibacterial resistant investigation net (Mohnarin) from 2005 on, which have 150 member hospitals. Up to now, professor Xiao completed more than 10 national funded studies and over 50 clinical trials of new antimicrobial agents. More than 200 peer-review papers and 15 books were published. Professor Xiao is taking more than 20 society positions at present. He is editors or reviewers of 20 journals, too.