Gastroesophageal reflux disease is usually caused by the stimulation of gastric acid. Oats are rich in crude fiber and have a light taste that does not irritate the esophageal mucosa, so you can eat a moderate amount of oats, but you should avoid eating too many oats or oats that contain sugar. Gastroesophageal reflux is the reflux of stomach contents into the esophagus, which is usually caused by gastric acid and other substances that irritate the esophageal mucosa, resulting in symptoms such as acid reflux and heartburn. Oats are rich in dietary fiber and generally have a light taste, which can promote gastrointestinal peristalsis and reduce the reflux of gastric contents, and eating a moderate amount of oats will not irritate the gastric mucosa. Eating a moderate amount of oats will not irritate the gastric mucosa. Eating too much oats at one time may promote the secretion of gastric acid and aggravate the irritation of the esophageal mucosa. Sugar-containing oats may also promote gastric acid secretion and aggravate the condition, and sugar-free oats can generally be eaten. Gastroesophageal reflux disease patients should follow the doctor’s instructions on diet, pay attention to dietary regulation. Usually also eat more bananas, spinach and other coarse fiber vegetables and fruits to promote gastric emptying. Alcohol, chili peppers and other foods should be avoided to reduce the secretion of gastric acid and relieve the irritation of the esophagus and gastric mucosa.