The Qing Dynasty and the Qin Dynasty were relatively famous periods in Chinese history. These two eras had many interesting stories and characters, so time travel dramas often chose these two eras as the background. During the Qing and Qin dynasties, society was relatively stable, economic prosperity, and cultural development was very mature. In these two eras, the people's living standards were higher, and there was a greater demand for literary and artistic creation. These characteristics were also one of the reasons why the producers of the time-travel drama chose these two eras as the background of the time-travel drama. There were also many historical events and characters from the Qing and Qin Dynasties, such as the Opium War of the Qing Dynasty and the unification of the six countries by Qin Shihuang of the Qin Dynasty. These historical events and characters also became one of the subjects of the time-travel drama. In general, the historical background and characters of the Qing Dynasty and the Qin Dynasty were more in line with the tastes of modern audiences. Moreover, there were many interesting stories and characters in these two eras, so they became one of the backdrops of time travel dramas.