" The Three-Body Problem " was a famous novel by Chinese science fiction writer Liu Cixin, which described the interaction and struggle between the Earth and the alien civilization. The story takes place in the early 21st century, on a planet called the " Three-Body " civilization is experiencing a disaster. Due to the planet's natural environment and biological evolution, the Trisolan possessed highly advanced technology and powerful combat strength. But they were faced with a fatal problem: their home planet was about to explode and only a new home could save them. By chance, Earth's scientist Luo Ji discovered the signal of the Three-Body People and learned the truth about their mother planet's imminent explosion through communication and communication with them. In order to save the Three-Body People and the civilizations on other planets, Luo Ji proposed a plan: to use Earth's technology and the Three-Body Civilization to communicate and find a new home together. This story narrated the complicated relationship and struggle between humans and the trisomatics through the perspectives of multiple characters. It included the development of the civilization of the Three-Body People, their thoughts on life and the universe, their evaluation of human civilization, and so on. At the same time, the novel also depicted the struggle and efforts of humans in the face of alien threats, as well as the cooperation and conflict between humans and alien civilizations.