Mucus secretion in the stomach may be caused by indigestion and gastrointestinal diseases. 1. Dyspepsia: If there is gastrointestinal dysfunction or dyspepsia, there will be signs of increased secretion of gastric juice from stomach cells, causing symptoms such as bloating, belching and acid reflux. 2. Gastrointestinal diseases: mainly including gastritis or gastric ulcer, which may be accompanied by inflammatory erosion and congestion and edema, the inflammatory reaction leads to increased secretion of mucus by the mucus cells of the stomach, which stimulates the gastric mucosa and causes nausea, vomiting, stomach pain, acid reflux, heartburn and other symptoms. If you have a stomach that secretes a lot of mucus, it is recommended that you seek medical attention in a timely manner, complete the relevant examinations under the guidance of your doctor, and then give symptomatic treatment after clarifying the cause of the disease with the results of the examination, so as not to cause delay in your condition. Diet should be regular, pay attention to light diet, avoid eating spicy stimulating food, eat less sweets, avoid overeating.