The symptoms of GERD are mainly as follows: 1. Typical symptoms: acid reflux, heartburn, pain behind the sternum, and some patients may have back pain. Gastroesophageal reflux acid reflux, heartburn is more characteristic, generally feel instant acid reflux into the mouth or throat, symptoms are heavier at night, when the patient lying down can feel the acid more easily reflux into the mouth, and even some patients appear choking and coughing; 2, atypical symptoms: pharyngitis, due to long-term acid reflux, some patients appear chronic hoarseness, laryngitis, due to acid reflux not only into the esophagus, but also into the airway , the general symptoms are more severe and choking and asthma can occur. In addition, some patients develop tinnitus, rhinitis, headache, etc. due to reflux.