Patients with dry throat and cough symptoms, the reasons are as follows: 1, inflammation of the throat: there are often chronic inflammatory factors in the throat, especially in the cold and lower respiratory tract inflammatory infectious diseases in the later stages of treatment, easy to trigger similar symptoms. 2, bad habits: some patients may also be due to the recent excessive use of the voice to speak, too much smoking, drinking and eating spicy food, frequent contact with the air pollution environment, leading to similar symptoms occur. 3, secretion stimulation: patients with thick secretions attached to the mucous membrane surface of the throat mucosa congestion, dryness, and even pain. Air pollution environment, leading to the occurrence of similar symptoms, triggered by the mucous membrane of the throat congestion, dryness, and even pain symptoms. 3, secretion stimulation: patients with the mucous membrane of the pharynx adheres to the surface of the thick secretion of the situation, but also prone to cause irritating symptoms of cough. Patients need to pay attention to avoid these possible pathogenic or influencing factors, and actively take effective treatment measures.