Cochrane is an online learning institution that combines knowledge, inspiration, guidance, system and experience. From its inception in 2019 to the present, the company has adhered to the cultural concept of “bringing human beings with strength and intelligence” and has emerged in the same industry with professional chess video teaching products, knowledge maps, artificial intelligence applications and mature technologies. Cochrane offers a complete curriculum, a systematic curriculum design, a combination of four-dimensional teaching models, unique classroom interaction for live classes, practice in the classroom, replaying of knowledge points, post-school professional teacher guidance, group counselling, grouping of questions and answers, teacher-to-teacher replaying, teaching in strict conformity with the curriculum developed by mr. Cochrane and mr. Cochrane, thus providing a solid foundation for lifelong learning and improving students ' intellectual, computing, logi...