A new model of bilingual teaching"language code transfer—surroundings immersion''received good results based on investigating the practice and its problem in local undergraduate college.Language code transfer is a language phenotype that alternative using two languages in a single environment and then promoting the ability of alternative using two languages of undergraduates.Because of its Flexibility, undergraduates could achieve a language strategy through words, phrase, subordinate clause, sentences and a group of sentences etc.the new model of bilingual teaching con— sists of two parts, the first part is that the model should conduct language code transfer through words, phrases, subor— dinate clauses, sentences and a group of sentences etc, and then creating a surroundings in order to give undergradu— ates a learning mechanism through all kinds of institutions.