知阅书房 is an educational app designed for elementary school students to improve their Chinese language skills through extracurricular reading. The app presents book interpretations in the form of video explanations, saving students reading time and enhancing their reading efficiency. Each week, a new book interpretation is uploaded for students from grades 1 to 6, with a total of over 300 books interpretations available throughout the year. All interpretations are synchronized with the official Chinese language textbooks. The goal of 知阅书房 is to help students who are short on time and to make reading more efficient for those who love it. It provides a platform for students to grow while reading quality books.