Stomach acidity can be quickly relieved by eating some alkaline foods or by medication. 1. Alkaline food: such as soda, pasta and other foods, when there is stomach acid, acid reflux heartburn and other symptoms, you can drink some soda to relieve symptoms, soda contains alkali, can neutralize the role of stomach acid, pasta also contains alkaline ingredients, can neutralize the stomach acid so as to relieve the symptoms. 2. Drugs: You can take drugs to inhibit the secretion of gastric acid, take proton pump inhibitors, such as omeprazole, rabeprazole and other drugs, you can also take H2 receptor blockers, such as cimetidine and other drugs. Drugs that combine gastrointestinal mucosal protection and neutralization of gastric acid, such as magnesium aluminum carbonate, can also be used. The above medications need to be applied under the advice of a doctor.