Swallowing saliva is a normal human physiological reaction, and if it does not affect normal life, there is generally no need to control it. However, if there is an increase in the frequency of swallowing saliva or difficulty in swallowing saliva, it is necessary to clarify the causes and symptomatic treatment. 1, psychological factors: some people have poor psychological quality, once in a special environment, encountering certain people and things will involuntarily nervous, habitually by swallowing saliva to relieve attention, relieve the tension of bad emotions. This situation does not require special treatment, daily can be improved by strengthening social, learn to regulate emotions; 2, pathological factors: can be due to salivary gland gland disease, or local inflammatory stimulation such as pharyngitis, periodontitis, pharyngitis, oral ulcers, etc.. This situation should promptly consult the Department of Dentistry, ENT for examination and treatment after clarifying the cause. Such as chronic pharyngitis pharyngeal saliva on the basis of often appear sore throat, dry throat itch, cough, foreign body feeling in the throat and other symptoms, can be treated by using gargle solution such as compound borax gargle, furacilin solution, compound chlorhexidine gargle. During the treatment period, you should also keep your mouth clean, eat more vegetables and fruits, and do not eat spicy and irritating food.