Heartburn and hiccups are mostly caused by reflux esophagitis, and other digestive diseases such as acute and chronic gastritis, gastric ulcer, and duodenal ulcer can also lead to such conditions, as follows: First, heartburn and hiccups are the main symptoms of reflux esophagitis, and the digestive function of the spleen and stomach is reduced, so that the food and drink eaten cannot be digested and absorbed in a timely manner, and a large amount of food and drink accumulates and over-ferments in the body, which produces a large amount of The gas is easily reversible and the symptoms of hiccups appear. Secondly, heartburn is a burning sensation radiating from the back of the sternum to the neck. This is because when the patient burps, the stomach contents go up and the stomach acid stimulates the esophagus, causing damage to the esophageal mucosa and causing heartburn, and in severe cases, chest pain. Third, digestive diseases, acute and chronic gastritis, gastric ulcer, duodenal ulcer and other diseases, gastrointestinal dysfunction is prone to heartburn, hiccups, belching, etc.