曹丕、刘备、孙权先后于公元220年、221年、222年称帝,按理说三国史应从这时起到三家归晋止,但实际上,三国史通常是指从汉献帝初平元年(190)到晋武帝太康元年(280)共90年间的历史。之所以如此,是因为“曹、刘、孙这三大势力或三大集团,是在东汉末年的军阀混战中发展壮大起来的;魏、蜀、吴三足鼎立的局面,也早在他们建国之前就已基本形成。”~①三国时期,魏、蜀、吴各国谋士将领,斗智斗勇,“火攻”亦是他们在战争攻防时常用 Cao Pi, Liu Bei, Sun Quan successively dubbed the emperor in 220 AD, 221 and 222 dynasties, arguably that the history of the Three Kingdoms should go to Jinzhu since then, but in fact, the history of the Three Kingdoms usually refers to the first year 190) to Emperor Wu of the first year (280) a total of 90 years of history. This is so because the “three big forces of Cao, Liu and Sun or the three major groups developed and expanded during the warlord turmoil in the late Eastern Han Dynasty. The situation of the tripartite confrontation between Wei, Shu and Wu was also long before their founding Has basically taken shape. ”~ ① During the Three Kingdoms, Wei, Shu, Wu consular generals, wits and courageous,“ Fire Attack ”is also their common offensive and defensive war