Eating too much corn, vermicelli and hard rice at one time may stimulate the increase of gastric acid and may lead to acid reflux, so you can avoid eating too much to improve your diet, and if you have gastritis that causes acid reflux, you can treat it with drugs such as Ranitidine, Domperidone and Thioglycollate, which can inhibit the gastric acid, promote gastric emptying, and protect the mucous membrane of the stomach. 1. Dietary improvement: The main ingredient of corn, vermicelli and hard rice is starch. Eating too much of these foods at one time may stimulate an increase in the secretion of gastric acid, and acid reflux may occur. This condition is caused by overeating, and can usually be relieved by avoiding eating too much starchy food at the same time. 2. Medications: If you have gastritis or reflux esophagitis, eating these foods may stimulate the secretion of gastric acid and cause acid reflux. Ranitidine and omeprazole can be used to inhibit the secretion of gastric acid and reduce acidity. You can also use domperidone and mosapride to promote gastric emptying and reduce acid reflux. Use aluminum sulfate, magnesium aluminum carbonate, etc. to protect the gastric mucosa and promote the repair of gastric mucosa. The appearance of the phenomenon to exclude excessive diet and other physiological reasons, should promptly consult the doctor, under the guidance of the doctor for reasonable treatment, do not blindly use drugs, in order to avoid adverse reactions.