Romance of the Three Kingdoms is actually the earliest aerial novel of the Three Kingdoms. With the help of the background and characters in the Three Kingdoms period, the historical trend has not changed, but the author has invented many stories and even changed the fate of many people. For example, the final results of Xun You, Zhou Yu and Lv Meng are different from those in history. Therefore, The Romance of the Three Kingdoms cannot be said to be completely fictional. It just relies on the foundation of the Three Kingdoms, and the author adds many ideas to it to make the story more exciting. However, if you really want to know about history, you'd better read history books!