Eating more vinegar can increase the secretion of salivary glands, promote digestion, etc. Eating too much of it can have harmful effects such as aggravating stomach disorders. Vinegar is a commonly used condiment, which is an acidic food. Eating more vinegar can increase the secretion of salivary glands, promote gastrointestinal peristalsis, and help digestion. At the same time, vinegar can reduce the intake of other flavorings such as sodium and sugar, which is indirectly beneficial to health. Normally, you can’t eat too much vinegar if you have gastric ulcer, gastroesophageal reflux and other gastric diseases, eating too much vinegar will lead to too much stomach acid, which will sometimes lead to aggravation of gastric diseases such as gastric ulcer, duodenal ulcer and other symptoms, and acid reflux, belching (hiccups) and other discomforts. It is recommended to eat vinegar in moderation and not in excess.