This study has been prepared to determine the effect of the summarization technique on reading comprehension skill. Document scanning method has been used in the study which has been shaped in accordance with the qualitative approach. Reading comprehension is one of the most important items in an individual’s academic success. It is a truth that the individuals who can understand what they read are more successful both in school and in life. In order to develop the reading comprehension skill, it is necessary to use the understanding strategies well. Reading comprehension skill includes a process which activates reading strategies together with cognitive skills. Strategies such as activating preliminary knowledge, determining the purpose of reading, oral/ silent reading, taking notes, guessing, making subject/main idea distinction, questioning and deduction are some of the strategies which a good reader uses in reading process. One of these strategies is the “summarization” strategy. Summarization is individuals’ thinking of what they learned, writing in a meaningful and understandable way and explaining what they learned with their own words. Summarization skill which is one of the effective working and learning strategies is very different from the other types of writing. In summarization method, the original text is explained with main outlines. All of the following works include summarization skill; student’s determining and outlining non-useful information from the written text, specifying and expressing the main idea with his own words, choosing the major sentence in each paragraph. Researchers and teachers moot that using the summarization technique is a good method to manage the understanding and to remember the ideas.