Facing the current situation that Chinese students are poor in English productive ability, the mode of only English-medium teaching is put forward to completely improve students' English abilities and comprehensive competence by creating second language acquisition atmosphere. Since few studies have been conducted on students' attitudes toward only English-medium teaching in ELT classrooms especially from the perspective of students themselves, this paper, through questionnaires and interviews, focuses on students' attitudes to figure out their preferences, evaluations and suggestions of teaching modes, and further discusses the practical application of only English-medium teaching in EFL classrooms from five respects: teaching purpose, course design, teacher' qualification, students' language level and teaching effect. It is concluded that only English-medium teaching is not of popularity among students giving their own English levels and the advancement of only English-medium teaching quality depends on the qualified teachers and suitable courses