The protagonist of a time-travel novel usually had a high level of knowledge. This was because the author often described the protagonist's plot in the novel. In this process, the protagonist needed to understand and master the local culture, history, famous novels, technology, and movies in order to adapt to the local environment and survive. The way the protagonist transmigrated would also affect his level of knowledge. For example, the protagonist could travel through time so that he could understand the history and culture of the past, or he could obtain more knowledge through some mysterious means such as predicting the future or obtaining mysterious knowledge. The main character of a time-travel novel was very knowledgeable about culture, history, famous novels, technology, and movies because these fields contained a wealth of knowledge and culture. The main character of the time-travel novel had more opportunities to learn and explore in this new environment.