Dry throat, drink water and still thirsty, may be caused by improper diet, pharyngeal inflammation and diabetes, dry syndrome and other factors. 1. Improper diet: often eat spicy and stimulating, high salt content of food, may make the body in hypertonic state, appear dry mouth, thirst, in the supplementation of sufficient water can improve the symptoms. 2. Pharyngeal inflammation: the mucous membrane of the pharynx due to chronic inflammation causes a decrease in mucus secretion, which may be the cause of dry mouth and thirst. 3. Diabetes mellitus: as this disease can cause excessive urination, water loss after excessive urination, the patient is thirsty, and the amount and frequency of drinking water are increased. 4. Dry Syndrome: It is an immune disease that often affects the salivary glands, causing them to secrete less. Dry mouth syndrome patients will be self-conscious dry mouth, often extended to the pharynx, the serious often drink water frequently, into the solid food must be sent down with water. Throat dryness, drink water and still thirsty, it is recommended to pay attention to raw dietary habits, if necessary, go to the hospital for a clear diagnosis, for the primary disease and symptom characteristics to take standardized medication and treatment.