Quanyitong, published by Zhejiang Education Publishing House, is a synchronous supplementary book based on teaching materials. It is divided into two sections: junior high school and primary school. Junior high school includes nine subjects: Chinese, Mathematics, English, Physics, Chemistry, Biology, History, Geography, Morality and Rule of Law, while primary school includes three subjects: Chinese, Mathematics and English. Its core idea is "Yi", which is guided by the four-Yi learning system to create a four-Yi method system, so that students can really read, remember, learn and use it. Flexible and diverse explanation modes can make students master knowledge easily, really improve their learning ability, and also provide teaching reference for teachers.