He accompanied Sun Ce on the campaigns and assisted in the conquests of Danyang (丹陽), Wu (吳), Kuaiji (會稽) and Yuzhang Commanderies (豫章郡).
Jiang Qin later led 10,000 troops to assist He Qi in expanding Sun reach south against the local people (黝縣) in Min River and Xindu camapigns.
[11] In 219, Sun Quan ordered Lü Meng to lead an army to invade Jing Province when its defender, Guan Yu (a general under Liu Bei), was away at the Battle of Fancheng.
Jiang Qin participated in the campaign and led a naval force up the Mian (沔), acting as a guard against any counter measure by Guan Yu.
You wish to emulate Qi Xi,[b] don't you?” Jiang Qin replied, “I heard that one should not let his personal feuds affect his official duties.
Now, we've yet to accomplish our great task, so I should help to scout for and recommend talents to serve the state instead of letting my private problems cloud my judgment.” Sun Quan was very pleased.
[18] First appears when Sun Ce fights Liu Yao, he and Zhou Tai are brigands who hear Sun Ce values men of talent so gather three hundred supporters and set fire to Zhang Ying's camp to force Liu Yao to retreat, he and Zhou Tai are given a command role in the vanguard.
Successfully volunteers to lead vanguard in Battle of Jiangling but is nearly executed for failure to stop Cao Ren and Niu Jin cutting their way out of trap.