Wei Tian, Professor Tsinghua University. His main research fields are western philosophy and Christianity. He presided over the completion of Tsinghua University's 985 project "Christian Civilization in the Middle Ages and Its Modern Significance", and as a key member, he completed many scientific research topics such as the ninth five-year key project of Beijing Philosophy and Social Sciences "Research on World Civilization". He has published 5 personal monographs and co-authors, nearly 60 papers and 4 academic works.