Frequent stomach acidity may be caused by irritation of gastric mucosa and gastrointestinal diseases. Treatment of stomach acid can be through dietary modification, medication and so on. 1. Diet: In order to minimize the damage caused by excessive secretion of stomach acid, people should maintain a good diet, eat more warm vegetables and fruits or porridge, do not eat cold and stimulating food, eat more alkaline food, such as noodles, bread, steamed bread or buns, should eat small meals, do not overeat. 2. Medications: you can use some drugs to inhibit gastric acid secretion or neutralize gastric acid for treatment, such as omeprazole enteric-coated tablets or lansoprazole tablets, and you can use some drugs to promote gastric motility and gastrointestinal emptying, such as domperidone tablets and so on. If the above symptoms are not relieved after dietary adjustments, it is recommended to consult a doctor to clarify the cause of the symptoms and take medication as prescribed by the doctor.