Eli Library brought together books read by foreign children of the same age when they were growing up, and moved them directly to China. The library has more than 5000 original English books and audiobooks. Using the book management system of American primary schools, according to children's different reading abilities, professional and meticulous graded reading management is carried out, so that every child can find an English book suitable for him. Every Eli library is equipped with foreign professional librarians to encourage and guide children to read scientifically and reasonably and cultivate students' open thinking. This is not available in general libraries, and the original English books should be better.