The three-body culture in the novel " The Three-Body Problem " was a fictional concept that described the development, rise, and conflict of an extraterrestrial civilization. The strength of the three-body culture could not be specifically measured because it involved many uncertain factors and assumptions. From the description in the novel, it could be seen that the Three-Body Civilization had a high level of technology and cultural accomplishment. They could create complex mathematical formulas and theories for efficient interstellar navigation and universe exploration. They also had superb scientific and technological standards and philosophical thinking skills. However, the strength of the three-body culture was also limited and restricted. For example, their lack of understanding and respect for human civilization and their extreme methods of invasion and control eventually led to the destruction and destruction of human civilization. Therefore, the strength of the three-body culture in the novel " The Three-Body Problem " was a relative concept. It included the advancement of its technology and culture, as well as its harm and destruction to mankind.