Dry throat and drinking water does not work may be caused by laryngitis, dry syndrome, reflux esophagitis and so on. 1. pharyngitis: pharyngitis is due to inflammation caused by bacterial infection or viral infection, resulting in dry, itchy, painful, burning throat symptoms, the need to use antibiotics to eliminate pathogens, eliminate inflammation, symptoms will improve. 2. Dry syndrome: it is a chronic inflammatory autoimmune disease, which will lead to dry mouth, dry eyes, etc. due to decreased secretion of salivary glands and lacrimal glands, and dry throat may also occur, which requires systematic treatment under the guidance of a doctor or alternative treatment. 3. Reflux esophagitis: it refers to the reflux of gastric contents and duodenal intestinal fluid into the esophagus, and even reflux to the pharynx, irritating the mucous membrane of the pharynx, causing dry throat or pharyngitis, and it should go to the hospital, and the active treatment of the primary disease will improve the symptoms. It is recommended that patients should go to the hospital in time for consultation, to clarify the cause of the disease, and under the guidance of the doctor for treatment.