The Friendship Campus of Xigong University is full of undergraduates above junior year in seven colleges, including the top five colleges, software and life. Northwestern Polytechnical University (NPU), located in Xi 'an, the ancient capital, is the only research-oriented, multidisciplinary and open university of science and technology in China, which combines aviation, aerospace and navigation engineering education with scientific research, focuses on engineering, and harmoniously develops management, literature, economics and law, and is affiliated to the Ministry of Industry and Information Technology. Northwestern Polytechnical University has two campuses: Friendship Campus and Chang 'an Campus. Friendship Campus, located in beilin district, is mainly composed of the top five colleges, the School of Software and Life, the undergraduate students who moved from Chang 'an Campus, and the graduate students from these colleges.