Dry mouth and drink a lot of water, but there are a lot of urine, you can usually carry out the following four measures: First, warm water for sugar and salt water, warm water 250ml each put 0.5g sugar and 0.3g salt prepared into sugar and salt water mixture, there is a complementary ionic disorders in the body, to correct the ionic imbalance, regulate the role of dry mouth, thirst and the effect. Second, oral yin and fluid medicines such as licorice, sour plum boiled into water, drink, drink and observe whether it can relieve dry mouth, drink more water, urinate more. Third, go to the hospital to check whether there is diabetes or other endocrine and metabolic diseases that cause dry mouth, drinking too much water and urinating too much. If the cause of the disease is identified, it is recommended that systematic treatment and cause-specific treatment can get the best therapeutic effect.