Frequent inflammation of the throat may be related to long-term use of the voice, long-term stimulation by adverse factors, chronic inflammation of the nose and pharynx or chronic inflammation of the lower respiratory tract. 1. Adverse factor stimulation: long-term use of the voice, smoking, drinking, eating spicy and irritating food, inhaling dust or irritating gases, etc., easy to cause laryngeal mucosal edema and capillary congestion, easy to occur chronic laryngitis. 2. Chronic inflammation of nose and pharynx: Chronic inflammation of nasal cavity and sinus can cause nasal congestion, and chronic laryngitis can be caused when the laryngeal mucosa is stimulated by long-term open-mouth breathing; chronic pharyngitis can cause congestion of pharyngeal mucosa, and the inflammation can be directly extended to the larynx, so that chronic laryngitis can occur. 3. Chronic inflammation of the lower respiratory tract: such as chronic bronchitis, there can be a long-term cough, coughing up sputum and other symptoms, long-term coughing can stimulate the laryngeal mucosa to inflammation. Frequent throat inflammation people have hoarse voice, sore throat and secretion formation and other manifestations, patients need to consult a doctor in a timely manner, improve the laryngoscopy and other related examinations, the cause of the symptomatic treatment.