谭嗣同虽非康有为的入室弟子,但却私淑于康有为。戊戌时期,谭嗣同与康门、“康学”的关系密切不只是康、梁的事后回忆,也是谭嗣同的身前自白。通过分析谭嗣同与康门弟子的交往、初识“康学”之后的学术转向、谭嗣同《仁学》与“康学”的异同,及谭嗣同在湖南变法中对“康学”的宣传与维护,以透视“康学”对谭嗣同的影响,及谭嗣同接受、宣传“康学”的历程。 Although Tan Sitong non-Kang promising influx of disciples, but private Shukang Kang promising. During the Wu Xu period, Tan Sitong and Kang Men, “Kang Xue” is closely related not only to Kang, Liang’s after-memory, but also Tan Sitong in front of confession. By analyzing the interaction between Tan Sitong and the disciples in Kangmen, we first understand the academic turn after “Kangxue”, the similarities and differences between Tan Sitong’s “Renxue” and “Kangxue”, and Tan Sitong’s “ ”Propaganda and maintenance, in order to see the influence of“ Kangxue ”on Tan Sitong, and Tan Sitong’s acceptance and propaganda of“ Kangxu ”.