Dry throat is usually related to disease factors, drug factors, lifestyle and other factors. 1. Disease factors: pharyngitis patients due to bacterial, viral, physical and chemical factors such as stimulation of the mucous membrane of the throat, dry throat, pain, burning sensation and other symptoms. Dry syndrome due to the involvement of mucous glands secretion function, often appear dry throat, dry eyes, dry nose and other symptoms. Laryngopharyngeal reflux often due to reflux of digestive juices on the pharyngeal mucosa stimulation, and cause dry throat, throat foreign body sensation and other symptoms. 2. Drugs: Anticholinergic drugs such as atropine, scopolamine, scopolamine, etc. can inhibit the secretion of the glands in the throat, thus causing the symptoms of dry throat, which can be relieved after stopping the drugs. 3. Lifestyle: long-term smoking, drinking people, will cause irritation to the mucous membrane of the throat, resulting in dry throat. Drinking too little water on a daily basis will also cause the body to be dehydrated, resulting in a dry throat. Long-term open-mouth breathing and prolonged talking can also lead to dryness of the mucous membrane of the throat, making the throat dry. In conclusion, if you have a dry throat, it is recommended that you go to the hospital in time to get a clear diagnosis and follow the doctor’s instructions for treatment. In daily life, drink more water, eat more fresh vegetables and fruits, ban smoking and alcohol, and use your voice reasonably.