The most common causes of dry throat are inflammation of the pharynx: pharyngitis, environmental factors and occupational factors. Pharyngitis refers to the inflammation of the pharynx, including acute pharyngitis and chronic pharyngitis, which can be seen in the examination of the lymphatic tissue hyperplasia in the pharynx, the disease can occur purely, but also secondary to colds or tonsillitis, the main symptoms are dry throat, burning, etc. The treatment is mainly to use some heat-eliminating drugs symptomatic treatment to try to avoid stimulating factors, generally very right will improve; environmental factors refer to some long time Exposure to air pollution such as smoking, fumes, etc., these gases will stimulate the throat, resulting in throat inflammation, dry throat; occupational factors such as: sales staff, doctors, teachers, etc. are some people who talk a lot for a long time, long time to talk a lot of water evaporation in the mouth leads to a dry throat. In summary, the main cause of dry throat is the inflammation of the throat and environmental and occupational factors, the main lies in prevention, avoid smoking and alcohol, avoid contact with air pollution environment and some spicy stimulating food, do not strain, stay up late, drink more water, do not be nervous after the symptoms, timely treatment will be good.