Hiccups (belching) refers to the overflow of gas through the mouth, while acid reflux is a symptom of acidic gastric contents refluxing into the mouth through the cardia esophagus. Both are symptoms of indigestion, but they often occur together and are usually seen in GERD. GERD is a symptom and histological damage caused by relaxation or transient relaxation of the gastroesophageal junction resulting in reflux of contents into the esophagus and the oral cavity. Some patients only have reflux symptoms, which affect the quality of life, while others can develop inflammation of the esophageal mucosa, mucosal breakdown, or even the formation of ulcers, strictures, and changes in the epithelium of the esophageal mucosa can lead to the formation of Barrett’s esophagus, which can also be accompanied by pharyngeal Respiratory related problems, such as chronic pharyngitis, hoarseness, chronic cough, asthma, etc. In addition to functional and structural abnormalities of the gastroesophageal junction, slow gastrointestinal motility, poor gastric motility, gastroduodenal motility, etc. may be the cause of the disease. Certain drugs can impair the function of the gastroesophageal junction or stimulate the esophageal mucosa, which can also aggravate such diseases and symptoms. Comorbid other diseases such as diabetes, Parkinson’s disease, and connective tissue disease also contribute to the development of the disorder. If the occasional hiccups and acid reflux are probably caused by uncontrolled eating, pay attention to raw dietary regimen can be temporarily observed if it can be relieved in a short period of time, but people over 40 years old should see a doctor for further examination if necessary if the symptoms are new.