Background and objective:Gastroesophageal reflux disease(GERD) is a common clinical disease, belong to Traditional Chinese medicine Tunsuan, Caoza and other areas. Its TCM diagnostic criteria are not yet unified. Clinical study found that the distribution of TCM syndrome of GERD is a correlation with Course of disease and the duration of acid reflux. Therefore, In this study,I will analysis the clinical information that collected through clinical. To find out the GERD syndromes distribution characteristics,...