Abstract：Sun Deng was one of the famous hermits in the Wei and Jin Dynasties who had the very close relationship with Ruan Ji and Ji Kang who are members of the "Seven Hermits in the Bamboo Grove".Sun Deng once secluded in Jijun BeiShan (Jijun Shan) , Bailu Shan etc, and travelled across the Yiyang Mountain and Wuyan Mountain, etc.Ruan Ji was assigned to visit SunDeng in Yiyang Mountain by Sima Zhao, he visited Sumen Taoist in Sumen Shan as well.Ji Kang followed Sun Deng to travel Jijun Shan.Because of the historical evolution, Jijun Beishan and Sumen Shan are combined to one, Sun Deng was just Sumen Taoist.Therefore, there are statements that Sun Deng secluded in Sumen Shan, Ji Kang followed Sun Deng to travel and Ruan Ji visited Sun Deng.

Keyword：Sun Deng;Ruan Ji;Ji Kang;