Recently, a questionnaire, Frequency Scale for the System of GERD (FSSG), has been estimated to be clinically useful for the initial diagnosis of gastroesophageal reflux disease (GERD). We investigated the frequency of GERD as a complication in patients with chronic liver diseases by using the questionnaire, FSSG. As a result, it may be considered that, as a complication of chronic liver disease, GERD exists in about 20% of patients and mainly belongs to a dyskinetic type.