With the improvement of living standard, we all know that diabetes is a kind of disease that is difficult to treat, and this disease will bring great harm to people’s healthy life once they suffer from it, so we need to prevent the appearance of this disease. We all know that the main symptom of diabetes is three more and one less symptoms, which refers to drinking more, urinating more and eating more with wasting, so we can see that dry mouth needs to be accompanied by three more and one less symptoms to be considered as diabetes. Our common dry mouth is mainly divided into dry lips and dry mouth and throat, if only the dry lips, often do not consider the possibility of diabetes, this may be the performance of dry weather dehydration, moderate diet can be alleviated; some people will often have a dry mouth combined with sore throat, this may be the performance of fire, drinking more water can also be alleviated, in addition to some people will appear dry mouth, bitter mouth, but also accompanied by This may be a manifestation of liver and gallbladder damp heat or stomach disease, and timely treatment can relieve the symptoms of dry mouth after improving the examination of the relevant parts. If dry mouth, easy thirst, and drink significantly more water still can not relieve the symptoms of dry mouth, and can be accompanied by a significant increase in the volume of urine and diet, but the weight of unexplained weight loss, then in the check of blood sugar significantly higher, fasting more than 7.0mmol/L, two hours after the meal blood sugar more than 11.1mmol/L, it is considered diabetes. Therefore, when dry mouth occurs, you should pay attention to it and go to the hospital for diabetes examination, so that you can receive regular treatment for diabetes as early as possible.