庚子事变， 八国联军攻占北京城， 慈禧太后偕光绪帝西逃， 直至钦命议和全权大臣庆亲王奕劻回京， 在这二十余日里， 北京城实际上处于 “无主之国” 的极端状态， 当时留守大小诸臣各自为群， 为恢复秩序、 打开交涉之门， “各树标帜”， 各有使力方向。 本文聚焦于非常时期的京官群体， 考察其政治活动、对外交往的具体情状， 以及面临空前国难时的心态， 并尝试将 “庚申”、 “庚子” 并置， 审视两次 “国变”的异同及历史意义。

During the boxer movement，the Beijing city was occupied by the allied forces of eight countries，the Empress Dowager Ci Xi and Emperor Guangxu had fled，and the Beijing city was actually in the extreme state of “the country without the Lord” before Yikuang returned. This article focus on the different groups of central government officials，investigates their political actions and investigate their connections to the foreign countries.