Nurhachi (1559-1626), Aisin Gioro. Manchu. That is, Emperor Taizu of the Qing Dynasty. In the late Ming Dynasty, the development of Jurchen society showed a unified trend.

From 1582 to 1588 AD, Nurhachi was the first to unify the various departments of the state. Later, it merged the Haixi provinces in the Songhua River Basin and the East China Sea provinces northeast of Changbai Mountains. During the unification process, the eight-banner system was created and people were ordered to use Mongolian letters to create Manchu.

On February 17, 1616 (the first day of the first month of the 44th year of Wanli of the Ming Dynasty), Nurhachi declared himself a Khan of the Jin Dynasty, separated Liaodong, and established the capital of Hetuala. The country was named Jin, and it was called Later Jin in history.