Teaching reading skill to the students is very difficult thing. The difficulties might come from the teachers who are not creative to simulate in teaching reading, lack of using affective strategies to attract students’ attention to the lesson and keep using traditional ways of teaching. Other difficulties came up from the students who did not interest to read a long passage, lack of vocabulary, and understanding the meaning of what they have read. Students who learn English as foreign language face difficulties in reading long stories, texts and paragraphs. The presented study aims at investigating effects of using chunking technique on developing English language reading skill of Iraqi EFL students. The study uses quantitative research method. The samples of the study were randomly selected from the second intermediate school students. The study adopted a pretest treatment- post-test design. Through the results of the study, the first hypothesis was accepted and was concluded that chunking technique was better than the recommended teaching in both the overall achievement and reading comprehension items