Classroom discourse interaction is highly important in foreign language teaching and learning because it incorporates verbal interactions between students and their teachers, it is a powerful way for immersing students and converting them into active learners. It refers to all forms of conversation that take place in the classroom. Therefore, this study investigates how powerful and valuable classroom discourse interaction on improving Iraqi EFL5th preparatory students to create an interactive communicative environment that allows students to perform a real conversation in English language. It is limited to Iraqi EFL 5th preparatory school students in Maysan Province during the academic year 2021–2022. The study's population consists of (152) Iraqi EFL 5th preparatory students