Stomach acid is a hydrochloric acid continuously secreted by the stomach. The right amount of stomach acid helps digestion of proteins and absorption and utilization of amino acids in the digestive tract, and also has the effect of killing bacteria in food. Excessive secretion of stomach acid has the risk of causing gastric ulcers and duodenal ulcers and needs to be treated promptly, including dietary attention and medication. To relieve the discomfort, it is important to pay attention to the daily diet. First of all, do not eat too cold and too hot food and drinks, the temperature should be moderate; secondly, try to control the intake of spicy and stimulating food, such as chili pepper, garlic, etc., and have a regular diet, do not overeat, avoid overfull, so as not to stimulate the gastric mucosa, causing increased secretion of gastric acid or aggravate the damage effect of gastric acid on gastric mucosa; diet should be mainly light, can consume more pasta, not only can dilute gastric acid, but also can neutralize part of the Stomach acid can be diluted and partly neutralized. Low-sugar foods can be consumed in moderation to reduce the stimulation of the stomach mucosa. When acid reflux and heartburn occur repeatedly for a long time, it should be taken seriously and treated. Some medications can be taken, such as acid suppressants, proton pump inhibitors and antacids, etc. The commonly used representative medications are sodium bicarbonate, magnesium aluminum carbonate, ranitidine, omeprazole, etc., but be sure to follow the doctor’s prescription in conjunction with your own situation. Excessive stomach acid can affect a person’s normal life and can promote the occurrence of gastric disease in serious cases. Therefore, it is important to pay attention to the health of the stomach in terms of daily diet and take medication if necessary.