Salty taste in the mouth is related to diseases such as mouth ulcers, dry mouth syndrome, and bile reflux gastritis. First of all, during the attack of mouth ulcer, there will be ulcers on the oral mucosa, and in some people, when the disease is serious, there will be blood oozing from the ulcer surface, and since the blood is salty, these people will have the feeling of salty taste in the mouth. Secondly, some people suffer from oral dryness syndrome, this disease will lead to disorders in the function of the sensory organs of the tongue, and also accompanied by increased secretion of saliva inorganic substances and minerals, so there will be a salty feeling in the mouth. Finally, in the presence of gastrointestinal motility disorders, some patients will have gastrointestinal retrograde peristalsis, and even the contents of the duodenum will also reflux into the stomach, leading to the onset of reflux gastritis, not only will be accompanied by stomach discomfort, bile will also be under high pressure, reflux into the esophagus and oral parts, the mouth will appear salty, bitter feeling, accompanied by loss of appetite, nausea, vomiting and other symptoms.