Regurgitation and vomiting is mainly due to excessive secretion of stomach acid, mainly due to the following reasons: 1, diet: if the diet is improper, such as people eat spicy, too sweet, too salty, too acidic food, or eat too hot food, will lead to excessive secretion of stomach acid; 2, mental factors: mental tension, excessive pressure, worry and irritation, too much thinking will appear cortical function triggered by gastric acid secretion function 3, gastrointestinal diseases: such as gastritis, indigestion, peptic ulcer and other diseases will also appear excessive secretion of stomach acid. So usually we should be light in the diet, avoid too hungry, too full, overeating, avoid eating too spicy food, too sweet and salty, too hot food, do not be too nervous, pay attention to adjust their mindset, keep the mood stable. If you have indigestion diseases, such as gastritis, peptic ulcer and other diseases, please go to the hospital in time.