Background: Irritable bowel disease is a chronic disease which characterized by abdominal pain and discomfort along with changes in bowel habits. As in other chronic diseases, there is also a need for a scale that can be used by the members of the medical team to determine the quality of life of the patient, help them to have a better quality of life, enable the patients to cope with the disease and provide symptom control. This study is planned as a determiner of validity and reliability in order to apply the Irritable Bowel Disease Quality of Life Scale.