Many outpatients will have frequent acid reflux or tend to feel like a fire in their chest after eating something, which is clinically known as heartburn symptoms. Regardless of whether it is acid reflux or heartburn indicates the possibility of gastroesophageal reflux, gastroesophageal reflux is divided into two types: 1, endoscopic positive gastroesophageal reflux disease, that is, through gastroscopy, indeed found to have gastroesophageal reflux mucosal changes, such as reflux esophagitis or esophageal ulcer; 2, if the endoscopic examination does not find obvious mucosal inflammation or ulcer performance, called endoscopic negative gastroesophageal reflux disease, the diagnosis can be confirmed by 24 The diagnosis can be confirmed by a 24-hour acid test, and now there is a very advanced capsule test, which can be performed by the gastroenterology department. A capsule-like substance is attached to the lower esophagus through the gastroscope and monitored for 24 hours to determine whether the reflux is fluid or gas, acidic or alkaline, and to determine whether GERD is present. For the treatment of acid reflux and heartburn, the symptoms can be relieved by reducing reflux prokinetics, together with PPI, i.e., proton pump inhibitors, acid-suppressing drugs and drugs that neutralize gastric acid and bile, similar to aluminum and magnesium carbonate drugs.