For excessive saliva caused by physiological factors, generally do not need to be treated; for mouth ulcers and other diseases caused by excessive saliva, the need for general treatment, medication and so on. 1. Physiological factors: mental, psychological and other factors can lead to excessive salivation, consumption of acidic substances can also stimulate excessive secretion of saliva, is a physiological phenomenon, generally do not need treatment, by regulating the mentality, adjusting the diet can be improved. 2. Mouth ulcers: mouth ulcers are a common cause of excessive saliva, treatment includes dietary adjustments, eat less stimulating foods, such as lemon, chili peppers, etc., the general treatment of the application of chlorhexidine gargle and other drugs for oral cleaning, but also in the mouth ulcers local application of oral ulcers, and supplemental vitamins and so on. There are other reasons for excessive saliva, you can go to the hospital to clarify the cause of the disease, and under the guidance of the doctor for treatment.