The paper mainly demonstrates some pronunciation errors among middle school students, especially the first grade junior students in Xi’an Gaoxin Dier School, when learning English and analyzes the reasons by comparing Xi’an dialect and English with language transfer, articulatory phonetics as theoretical basis. At last, the paper gives some counter methods to facilitate the students learning in English pronunciation and further improve their oral English. The paper mainly demonstrates some pronunciation errors among middle school students, especially the first grade junior students in Xi’an Gaoxin Dier School, when learning English and analyzes the reasons by comparing Xi’an dialect and English with language transfer, articulatory phonetics as theoretical basis At last, the paper gives some counter methods to facilitate the students learning in English pronunciation and further improve their oral English.