Ordinary. A visiting professor is a person with a formal professorship, and the professors invited by Peking University are all regular doctors with relevant certificates after national certification, so the visiting professor of Peking University Boya is regular. Peking University, referred to as "Peking University", is located at No.05, Summer Palace Road, Haidian District, Beijing. It is a national key university directly under the Ministry of Education of People's Republic of China (PRC). The school ranks among the national "double-class" A, "985 Project" and "2 1 1 Project".