外蒙自古是中国的领土,但由于二十世纪初的国际国内因素的作用,特别是沙俄政府的策动,外蒙政局也发生一系列的变动。本文就1911~1919年间,民国政府在西北边疆问题上的举措,外蒙“独立”、“自治”到“撤治”问题的国际纠纷,对外蒙“情愿取消自治”的内外因素等问题作一论述。 Outer Mongolia has been the territory of China since ancient times. However, due to the international and domestic factors in the early 20th century, especially the tsarist government, a series of changes have taken place in the political situation in the outer Mongolia. In this article, from 1911 to 1919, the government’s actions on the northwestern frontier, the international disputes on “independence”, “autonomy” and “withdrawal” in Inner Mongolia, the internal and external factors such as the “willingness to cancel autonomy” Discussion.