Feeling the tip of the tongue salty and sweet may be the emergence of oral ulcers, dry syndrome, gastrointestinal dysfunction and other problems. 1. Oral ulcers, clinically appearing oral ulcers, due to the oral mucosa is stimulated, may lead to functional changes, increased sensitivity, food stimulation, there may be the tip of the tongue and salty and sweet symptoms. 2. Dry syndrome, clinically, dry syndrome may lead to abnormalities in the nervous system, taste changes, and therefore the tongue salty and sweet symptoms. 3. Gastrointestinal dysfunction, if there has been a gastrointestinal dysfunction, the gastrointestinal tract digestion and absorption ability to decline, may lead to food reflux stimulation of the oral cavity, so this symptom will appear. If the recurrence of this symptom should be taken seriously, and actively seek medical examination and treatment.