The latest edition of 100,000 Why is the sixth edition, and the editor-in-chief of the sixth edition is Han Qide. In the past 50 years, this set of books has been published in six editions, and the cumulative circulation has exceeded 1 100 million copies. It is a scientific enlightenment book for several generations of young people in New China, and has become the first brand of original popular science books in China. It has played an active role in spreading knowledge and popularizing science, and has influenced generations of young people to embark on the road of science. Influenced by it, books with the title of "100,000 Why" emerge one after another, becoming synonymous with children's popular science books, helping children and teenagers to understand nature more easily.