Ruier English is an all English immersion oral English training institution for college students, which is dedicated to improving the practical English ability of college students. Through many years of teaching research and practice, Ruier English has developed a trinity of "i-use" teaching system for English learners according to the language learning rules. The courses cover voice training, daily oral English, business oral English, oral English for the postgraduate entrance examination and the TOEFL IELTS Listening and speaking and so on, adhering to the teaching concept of "learning is for using", we strive to create a full English classroom and English using environment, so that students studying in Ruier can really improve their English listening and speaking ability, and start to use English, and integrate English into life and workplace.