College English U Campus is an electronic textbook, and it is an APP owned by Foreign Language Teaching and Research Press Co., Ltd. Students can study online directly with their mobile phones, even if there is no textbook, it will not affect their study. Textbooks, in popular terms, are books used in schools, also called textbooks or textbooks. It is a blueprint for teachers to educate students and an indispensable tool for teacher-student interaction in teaching. It can provide rich reading materials, create autonomous learning situations and promote the change of learning methods.