Mouth has been secreting saliva may be wearing dentures or braces, digestive system diseases, oral infection, psychological stress and other factors related to the need to clarify the cause of the disease, targeted treatment. Specific as follows: 1. Wearing dentures or braces: Initially, the sense of foreign body in the mouth is more obvious, and there will be an increase in saliva secretion. If it is not relieved for a long time, it is recommended to find a doctor to make adjustments. 2. Digestive system diseases: such as cholecystitis, gastritis, etc., will cause symptoms such as bitter mouth, which in turn leads to increased saliva secretion. It is recommended to take medication, such as gastritis patients, oral omeprazole, aluminum thioglycollate, morpholine, etc.; cholecystitis patients, oral gastric Daxi and so on. 3. Oral infection: such as oral ulcers. The pain caused by ulcers stimulates the oral cavity to increase glandular secretion, which in turn leads to increased salivary secretion. It is recommended to eat a light diet, while with the treatment of ulcers of drugs, such as watermelon cream, ulcer paste, etc., to maintain oral hygiene, with chlorhexidine mouthwash gargle. 4. Psychological factors: If stress or emotional tension is too high, it will lead to nervous system disorders and increased salivary secretion. It is recommended to relax and learn to release pressure. The continuous increase in saliva secretion may also be other reasons, it is recommended to seek medical treatment as soon as possible to identify the cause of the disease and then targeted treatment.