" The Battle of the Sword God Realm Sequence " was an anime with the theme of virtual reality. By telling the adventure stories of the protagonist Kirito and other characters, it explored the relationship between virtual reality and the real world, as well as human understanding and acceptance of technology. Although it is an anime work, it also has a lot of principles that are worth thinking about. One of the important reasons was that virtual reality technology could provide people with a new way of entertainment and experience, but safety and ethical issues needed to be considered in the application process. The development of virtual reality technology should be centered on human welfare rather than the pursuit of profit. Only then could the technology better serve human society. Another important principle was that humans needed to learn to accept and adapt to new changes. In the " Battle of the Saber-Sword God Domain Sequence," the main character, Kirito, and the other characters experienced many novel experiences and challenges, but they were able to adapt and accept these changes and achieve success. This also tells us that humans need to constantly learn and adapt to new changes in order to survive and develop in a constantly changing environment. In addition, the Battle of the Saber-Sword God Realm's Sequence also discussed the understanding of humans 'self-perception and emotions. In the novel, the main character Kirito and the other characters had experienced many inner struggles and contradictions, but they were able to gradually understand themselves and others through constant thinking and exploration, thus achieving spiritual growth and progress. This also tells us that humans need to constantly think and explore the problems of self-cognition and emotions in order to continuously improve their overall quality and realm. " The Battle of the Sword God Realm Sequences " is an anime full of philosophy. It has conveyed many profound truths and inspirations to us, worthy of our in-depth consideration and taste.