A good dry throat can be associated with low water intake, dry environment and chronic pharyngitis or dry syndrome. 1. Drinking less water, dry environment: When drinking too little water or the environment air is dry, it can lead to dry throat. In addition, talking for a long time without water can also lead to dry throat. 2. Chronic pharyngitis: Long-term open-mouth breathing, chronic inflammation of the respiratory tract, dust irritation and pharyngeal reflux and other factors can cause chronic pharyngitis, the pharynx can have a foreign body sensation, burning sensation, dryness, or slight pain. 3. Dry syndrome: the onset of genetic, infectious, environmental and other factors involved in the respiratory system, can be manifested as atrophic pharyngolaryngitis, pharyngeal pain, pharyngeal dryness, pharyngeal itching and other symptoms. Throat often feel dry, should drink water in time, and pay attention to the air humidity is appropriate, if there are other symptoms of discomfort in the throat, actively seek medical attention, standardized treatment.