Drinking water does not help dry throat is mostly seen in acute pharyngitis, chronic pharyngitis, and mental factors. 1. Acute pharyngitis: may be due to environmental factors or viruses, bacteria and other stimulation of the pharynx, resulting in acute inflammation of the pharyngeal mucosa congestion and swelling, often cause dry throat, throat itching, sore throat and other symptoms, drinking water can not alleviate the symptoms. 2. Chronic pharyngitis: including chronic simple pharyngitis and chronic hypertrophic pharyngitis, etc., may be caused by environmental factors, bacteria and other reasons, often leading to dry throat, itchy throat, sore throat and other symptoms. 3. Mental factors: may be due to mental stress or mental overstress caused by abnormal throat sensation, appear dry throat, but drink water to relieve the effect is not obvious. Drinking water dry throat may also be caused by diabetes, dry syndrome, etc. If the symptoms continue to be unrelieved, you need to consult a doctor in a timely manner to clarify the cause, targeted treatment or treatment.