Gastric acid is a component of gastric juice, also known as hydrochloric acid, that is continuously secreted by cells in the lining of the stomach. The main function of stomach acid is to facilitate the digestion of stomach contents and to kill the bacteria that enter the stomach with food. If there is too much acid in the stomach, it can damage the mucous membrane of the stomach and duodenum, and there is a risk of peptic ulcers and perforation. Therefore, people with stomach acid need timely relief and treatment, the specific relief methods are as follows: First of all, starting from the diet, when you feel the stomach acid discomfort can consume baking soda, stomach acid is acidic, while baking soda is alkaline, baking soda can neutralize the stomach acid and quickly relieve the symptoms of discomfort. You can also eat some hot drinks and hot porridge, such as hot chicken soup, hot millet porridge, etc., can suppress the discomfort of stomach acid. In addition, we should pay attention to not to eat too cold food and drinks, such as ice cream; try to control the intake of spicy and stimulating food, such as chili pepper, garlic, etc., so as not to stimulate the gastric mucosa caused by increased secretion of stomach acid; diet is mainly light, can eat more pasta, not only can dilute stomach acid, but also can neutralize part of the stomach acid. In addition to good eating habits, but also pay attention to dietary hygiene, pay attention to the mental state and emotions, the occurrence of gastric disease and emotional well-being is closely related. If the stomach acid is still not relieved by diet, it is necessary to take medication, such as acid suppressants, proton pump inhibitors and antacids, etc. The representative drugs are sodium bicarbonate, magnesium aluminum carbonate, ranitidine, omeprazole, etc., but do not use the drugs blindly. There are many ways to relieve stomach acid, but at the same time, we should pay attention to prevention, not only to develop good eating habits, but also to maintain a happy mood to avoid the severity and deterioration of symptoms.