Drinking water makes the throat feel dry. Clinically, it is mainly seen in the following cases: 1. Some patients have dry pharyngitis, which may be clinically related to the climate and environment, dietary habits and other factors. The clinical examination can see that the pharyngeal mucosa is dry, the mucosa is atrophied, and the mucosal glands lose their secretory function causing the patient to feel dry throat even after drinking water. 2. Some patients have dry syndrome, diabetes mellitus and other diseases that can induce the patient to have a dry throat, and the effect of drinking water for this condition is not ideal. Clinically, patients with dry throat should be treated symptomatically, under the guidance of clinicians, they can apply oral medication for laryngitis, such as nebulization or application of tablets, and usually eat more vegetables and fruits to see if they can be relieved. In addition, under the guidance of a doctor, active treatment of the primary disease, such as treatment of diabetes, dry syndrome and other diseases, may be helpful to relieve dry throat.