The symptoms of dry throat are caused by the chronic inflammatory disease of the throat, commonly due to the following reasons: 1, environmental factors: patients may have excessive dryness of the surrounding air environment and the impact of pollution, which may lead to dry throat symptoms. 2, dietary factors: patients themselves drink too little water or vitamin intake, as well as more recent smoking, drinking, eating spicy, stimulating and easy to cause fire food and other factors, may lead to dry throat symptoms. 3, life and mental factors: if the patient has a recent mental, emotional agitation, depression and other factors, or sleep, 3, life and mental factors: If the patient recently has mental, emotional irritability, depression and other factors, or sleep deprivation, repeated fatigue, stay up late and other factors, may also lead to the whole body to the state of fire, but also easy to further lead to dry throat.