The sweet feeling of saliva is related to the weakness of the spleen and stomach, diabetes, digestive dysfunction, eating a lot of sweets and other factors, as follows: 1, weakness of the spleen and stomach: in Chinese medicine, the spleen opens the mouth and is the main regulator of water transportation in the body. Metabolism will appear abnormal, because the sugar content in the blood is relatively high, often accompanied by sweet mouth symptoms; 3, digestive disorders: in the presence of digestive disorders will appear abnormal secretion of digestive enzymes, once the secretion of amylase in the saliva increases, the secreted saliva will have a sweet feeling; 4, a lot of sweets: after eating a lot of sweets do not rinse the mouth in time, some sugar will be in the mouth A long time to stay, this time saliva is also sweet feeling.