Salty saliva may be caused by chronic pharyngitis or oral ulcers and chronic nephritis and other diseases. It is recommended to pay attention to rest, develop a regular routine, go to bed early and get up early, avoid exertion and stay up late. Dietary attention to eat light, easy to digest, vitamin-containing food, eat more fresh vegetables and fruits, try to avoid eating high-calorie, high-fat food. After a period of time, if the effect is not obvious, you need to go to the internal medicine department of the hospital, and cooperate with the doctor to do the relevant specific examination to diagnose whether there is any disease in the kidneys.