Chronic laryngitis is a common laryngeal disease, and can recur, it is difficult to completely cure. 1, the cause: usually in the cold and dry season due to prolonged stimulation of the throat, easily triggered by chronic laryngitis; and a long time to work and study in the dusty, poor air quality, environmental pollution in the environment, will also trigger chronic laryngitis; for staff engaged in a long speech, is also a large group of chronic laryngitis, such as actors, hosts, etc.. And for some resistance is relatively low, often cold, often throat stimulated by irritating food, etc., also easy to trigger chronic laryngitis. 2, clinical manifestations: chronic laryngitis patients will appear mucosal congestion, vasodilatation, scattered lymphatic tissue proliferation in the back wall of the pharynx, thus chronic pharyngitis patients will appear dry throat, burning sensation, slight pain, foreign body sensation, itchy feeling. In addition, frequent irritating coughs, accompanied by nausea, dryness and vomiting may occur in the morning when waking up. Hoarseness may also occur for some workers who are engaged in long-term speech. Chronic pharyngitis is a common respiratory disease, it is recommended that patients take some herbal medicines, and at the same time to strengthen care in life to prevent recurrent attacks of chronic pharyngitis.