Huệ then led an army march north, and defeated Chinese army in Ngọc Hồi and Đống Đa. Sở also played an important role in this battle. After the war, Huệ attempted to find a peaceful solution with Qing China. Sở was sent to China as a member of diplomatic corps. Finally, Nguyễn Huệ was recognized as the new ruler of Vietnam by Qianlong Emperor.