INTRODUCTION
Peking University (PKU) is a national key university in China, founded as the Imperial University of Peking in 1898. Peking University consists of five faculties that are, Humanities, Social Sciences, Sciences, Medicine, and Information and Engineering. The University has 53 colleges and departments, with 120 specialties for undergraduates, 242 specialties for Master’s degree candidates, and 212 specialties for doctoral candidates. As a leader in fundamental sciences research and teaching, Peking University has emphasizing on the development of applied science as well. As of October 2013, there were a total number of 14116 undergraduate students, 13665 postgraduate students and 8134 doctoral candidates. Peking University currently has approximately 3574 international students from 116 countries, among whom 2540 were full time students. At present, Peking University has 11 national key laboratories, 46 state key laboratories, 2 national engineering research centers and 8 affiliated hospitals and health centers. The Peking University library is the largest university library in Asia, with a collection of 7.7 million books, and Chinese and foreign journals and newspapers. The library also serves as a comprehensive modern information center. Peking University places great importance on academic exchange and cooperation with foreign universities, research institutes and multinational enterprises. She has signed agreements with more than 200 universities in 50 countries and regions.