永徽,是唐高宗的第一个年号,共6年,即公元650-655年。永徽年号,是在永徽元年元旦当天发布的~([1])。永徽年号一直使用到七年正月,正月六日(辛未日),唐高宗宣布废太子李忠为梁王,立李弘为太子。七日,大赦改元,年号显庆~([2])。至此,永徽年号正式完成使命。唐高宗即位之年22岁,在位时间34年。但是,史家似乎 Yong emblem, is the first emperor of the Tang Dynasty, a total of 6 years, that is, AD 650-655 years. Yong emblem year, is the first day of the new year in Yong emblem released ~ ([1]). Yong emblem year has been used to the first seven months of the lunar January, the first lunar month (Xin Wei day), Tang Gaozong announced the waste Prince Li Zhong as Liang Wang, Li Li as the prince. On the 7th, the amnesty changed yuan, year-end significant celebration ~ ([2]). At this point, the emblem of the year officially completed the mission. Emperor Tang ascended the throne at the age of 22, reigned for 34 years. However, historians seem