Character data set is an important basis for the study of historical figures in the information age. This data set takes “Nanjing Centennial City History; Volume of People” as the main data source; including the information of 126 Nanjing and guest historical people with great influence in the fields of politics; education; science and technology; literature and art; which contains data items such as the common name; alias; birth and death time; birthplace; experience; and relationship of people. This data set can provide data basis for the research of Nanjing historical figures information query and statistics; figure relationship visualization and analysis; figure life map; etc.; and promote the in-depth mining and utilization of Nanjing history and culture.