The benefit of reading an extra-cursory book usually refers to reading a non-fiction book such as philosophy, history, literature, psychology, etc. The benefits were as follows: 1. Expanse your knowledge: By reading books in different fields, you can learn more knowledge and expand your knowledge to increase your understanding of the world. 2. To improve one's thinking ability: Books in different fields usually use different writing methods and thinking methods to help train one's thinking ability and cultivate one's logical thinking ability and critical thinking ability. 3. Enhancing reading ability: Reading different types of books requires different reading skills and reading speed. By reading extra-cursory books, you can improve your reading ability, efficiency and quality. 4. Rich life experience: Reading books can let people come into contact with different life experiences and ideas, which will help broaden their horizons, increase life experience, and improve their wisdom and quality. 5. Relieve stress: Reading can relax one's body and mind, relieve stress, and help improve mental health, stress resistance, and adaptability. Reading extra-cursory books can expand one's knowledge, improve one's thinking ability, enhance one's reading ability, enrich one's life experience, relieve stress, and help to enrich one's knowledge and life experience, improve one's quality and ability.