If the sweetness of the mouth is caused by food factors, it can get better by itself, if it is caused by diseases (such as digestive disorders, etc.), it needs to be treated before it can get better. 1. Food factors: such as eating more sweets after the self-conscious sweet mouth, generally can be improved on their own, without treatment. 2. Disease factors: such as digestive disorders, can cause various digestive enzyme secretion abnormalities, especially in saliva amylase content increases and feel sweet mouth. This situation generally can not recover by itself, need to consult a doctor in time. If you feel sweet in your mouth, after excluding food factors, it is recommended to go to the hospital to consult a specialist, improve the relevant examination, to clarify the cause of the disease and to be directed to the treatment.