The symptoms of itching and coughing in the throat are often associated with chronic inflammatory diseases of the throat. This symptom often appears in the late stage of cold, or trachea, bronchial, lung inflammatory infection disease, mainly with the local mucous membrane of the throat is affected by inflammatory factors, or did not get a complete cure. Some patients may also be related to the factors of excessive smoking, drinking, excessive use of the voice to speak, eating too much spicy, stimulating diet. Some patients may also have allergic diseases of the mucous membrane of the throat, and may also be combined with allergic rhinitis, which further causes allergic pharyngolaryngitis, which also causes itching in the throat and coughing symptoms.