For the first time in history, the famous Jun Qing side was the Seven Kingdoms Rebellion in the early years of the Western Han Dynasty. At that time, the seven rebellious countries proposed to "punish Chao Cuo and Jun Qing", but Chao Cuo was punished and the rebellion did not stop. ② Another famous event in Jun Qing was the battle of Jingnan in the early Ming Dynasty, when Judy, the prince of Yan, invaded Nanjing under the banner of "Jun Qing". (3) In addition, in the twenty-four years from Yuan Dynasty to Zheng Zheng (1364), Boluo timur invaded Dadu in the name of "Jun Qing Border".