Yufeng Li, Professor, tutor for Ph.D, is a member candidate for the pig industry system of the Ministry of Agriculture. Research focuses on the pathogenesis, immunological mechanism and vaccines development of bacterial diseases. Teaching mainly focuses on Animal derived food hygiene, Veterinary epidemiology, and Veterinary public hygiene etc. Research projects include 2 public welfare projects for MOA, 1 Key R&D projects and 5 projects from companies. More than 10 SCI papers were published by myself via first authors or correspondence authors. One paper was cited for more than 200 times to date. Two second prizes for science advancement were obtained from Ministry of Education and listed as 2nd and 9th respectively.