Ding Zhike (1963 ——) used to be the director of Huainan Library, the director of the office of Peking University Financial and Industrial Development Research Center, and now he is a researcher at China Institute of Property Rights and PE Market in Peking University. Member of Anhui Writers Association. I have been engaged in the study of literature and history for many years, and I have unique views on the traditional culture of China. In recent years, his main research interests are management, international finance and international politics, and he is engaged in literary creation in his spare time. He has written more than ten kinds of books, including Corporate Financial Management, Biography of Wang Yongqing, Biography of Putin, Madonna's Private Life Album, Years of the Republic of China, Years of the Qing Dynasty and Years of the Song Dynasty, with a total of more than 2 million words. Most of his biographical works have been printed many times and serialized on portals such as Sina.com, Sohu.com, China.com and Tencent.com, and some of them have been translated into Korean and published. Since the biography of Putin was published by China Archives Publishing House in 2006 (the book was updated by China Friendship Publishing Company in July 2009), it has been published for more than ten times and has become the best-selling biography of foreign dignitaries in China.