武则天是中国历史上唯一的女皇帝,以最保守的估计,她开始参政的时间,应该是始于高宗显庆五年(公元660年)以后.当时,唐高宗李治因风眩不能视事,故国家一切奏章之批驳与国事之策划,都由已经被立为皇后的武则天代为执行.事实上,武则天在唐高宗死后,便积极地布置她临朝称制,改朝换代的格局.为此,她一方面大力打击反对其政权的朝中王公大臣,消灭他们的势力,另一方面,她主张“时既沿革,莫或相遵,自我作 Wu Zetian was the only female emperors in Chinese history. By the most conservative estimation, her time to start the political affairs should begin after the founding of Emperor Gaozong for five years (660 CE) In fact, after the death of Emperor Gaozong, Wu Zetian actively arranged her pattern of dynastic reform and dynastic change. On the other hand, she argues that "both the history and the self-government of self-serving