Dry throat at night, be alert to kick oral diseases or like rhinitis, sinusitis, nasal polyps, or sleep apnea syndrome, sleep open mouth breathing at night, there will be dry throat at night. In addition, the sleep environment around the obvious dry air, can also cause dry throat at night. At the same time, some people need to pay attention to the diet, often eat heavy mouth, that is, very salty, high fat, high sugar, spicy and irritating food, and smoking, drinking alcohol, can also cause dry throat at night. In addition, we should be alert to systemic diseases, if the dry throat at night appears for a long time, you need to go to the hospital for a detailed examination, diabetes can cause dry throat at night, and hypercalcemia, hypokalemia is also the cause of dry throat at night, the most important thing to pay attention to is the lifestyle, need to be treated scientifically.