Doctor of Peking University for 4 years. According to relevant data, the PhD program in Peking University and the history and philosophy related majors in China Traditional Culture Center are four years, so the PhD program in Peking University is four years. The Department of Philosophy of Peking University was founded in 19 12, originally named as the Department of Philosophy, and was officially enrolled in 19 14. It is the earliest philosophy department in China, marking the beginning of modern philosophy in China, and has trained nearly 10,000 graduates so far. Cai Yuanpei, Hu Shi, Xiong Shili, Tang Yongtong, Liang Shuming, Jin, Feng Youlan, Zong Baihua, Zhu Guangqian, zhang yi, Chen Kang, He Lin, Shen Youding,,,, Ren Yuji, Zhu Bokun and other academic masters have taught here successively, and have trained several generations of China's best philosophers.