李愬,字元直,洮州临潭(今属甘肃)人,生于唐代宗大历八年(773),卒于唐穆宗长庆元年(821),终年四十九岁。他主要生活在藩镇割据日益炽烈的唐宪宗时期,在平定淮西镇(治蔡州,今河南汝南)割据势力吴元济的作战中,以其富“有筹略”(《旧唐书·李晟传附李愬》,以下凡不注明出处的引文,均出于新、旧《唐书》本传)的军事才能,为巩固唐朝统治,维护国家统一,作出了重要贡献。 Li 愬, characters straight, Danzhou Lintan (now Gansu), was born in the Tang Dynasty Emperor Dali eight years (773), died in the first year of the Tang Muzong Changqing (821), aged 49. He mainly lived in the period of Tang Xianzong, an increasingly blatant separatist war. In the battle of Wu Yuanji, a separatist force in Huai Xi Town (rule of Cai Zhou, now Runan of Henan Province), he used his “rich strategy” (“ Li Sheng passed Li Xun, ”the following quotations that do not indicate the source are based on the military capabilities of the old and new“ Tang Books ”) and made important contributions to consolidating the rule of the Tang Dynasty and safeguarding national unification.