Periodization refers to the period of time in which a literary, artistic, or cultural work exists in a certain historical period, usually between the end of a certain period and the beginning of another period. In the field of historical novels, the term " dynastic " usually referred to the length of the historical period or event that a work reflected, as well as the time when the work was created and circulated during this historical period. The Romance of the Three Kingdoms was a historical novel that spanned the period of the Three Kingdoms, from 220 to 280 AD, for nearly a century. During this period of time, the work was widely spread and became a classic in ancient Chinese literature. Therefore, the period of time referred to the period of time that Romance of the Three Kingdoms existed as a historical novel, which was also the historical period that its historical background and theme spanned.