The book for further study in Chengdu is Dai's Education. According to relevant public information, Dai Education was founded by Dai, the legal representative of Chengdu University, and it is an effective teaching method to help students improve their academic qualifications. Dai is the founder of Dai's Education Group and Dai's English, and founded Dai's Education Group in Chengdu on 1988. With an original and efficient English teaching method (DSE teaching method), students' grades have been greatly improved in a short time.