Ababsa Mouna2024-03-022024-03-022018http://dspace.univ-khenchela.dz:4000/handle/123456789/2940Abstract This dissertation investigates and describes the EFL students’ attitudes towards the teachers’ use of Code Switching in classroom; it also explores the perceptions teachers hold regarding the use and the function of Code Switching. The respondents of this study were EFL first-year master students and teachers at Abbess Laghror-Khanshla-University year 2017-2018.The questionnaire is the research instrument adopted for data collection. A mixed method was used to collect data qualitatively and quantitatively .The findings of this study demonstrate that the students share positive attitudes towards their instructors’ use of Code Switching. In contrast, the teachers have revealed negative perspectives about classroom Code Switching; they have stated that they only use Code Switching in special cases such as translating and clarifying difficult terms.enThesis