The Universe in the Nutshell was a science fiction novel that mainly talked about the nature of the universe discovered by humans in the process of exploring the universe, as well as the status and significance of humans in it. The philosophy of life conveyed in this novel mainly consisted of the following points: Exploring the unknown is necessary. In the novel, human beings discover the nature of the universe and their status in it by exploring the universe. This inspires us to dare to explore the unknown and constantly expand our horizons and knowledge. Thinking rationally is important. In the novel, humans used rational thinking in the process of exploring the universe instead of blindly believing or worshipping authority. This inspires us to be good at rational thinking, analysis, and judgment of the authenticity and credibility of information to avoid blindly following the trend or making wrong decisions. Respect for science is indispensable. In the novel, humans used scientific methods in the process of exploring the universe rather than relying on faith or superstition. This inspires us to be good at using scientific methods to explore the unknown and respect the conclusions and laws of science. Cherishing life is the most important thing. In the novel, humans encountered many dangers and challenges in the process of exploring the universe, but they still persisted in exploring. This inspires us to cherish life, face challenges and difficulties bravely, and constantly pursue our ideals and goals. In summary, the universe in the shell tells us to be brave in exploring the unknown, think rationally, respect science, cherish life and other life philosophy.