元朝统治末年,国势日危,内有帝后之争,外有反元起义和军阀混战,元顺帝心力交瘁,于是在至正二十五、六年间做出避乱的决定。济州岛由于独特的地理环境和主权背景成为顺帝首选的避乱之地,但因时局突变,未能成行,最后仓皇北逃至上都、应昌。 Yuan dynasty rule the end of the year, the national dominance of the crisis, there is a dispute between the Empress, there are anti-yuan uprising and warlord wars, Yuan shun empathy, so in the twenty-five, six years to make the decision to shelter. Due to its unique geographical environment and sovereignty background, Jeju Island became the first choice for Shundih to avoid the war. However, due to the sudden change of circumstances, it failed to do so. Finally, the northern canton fled to Shangdu and Yingchang.