Itchy throat always want to cough, may be related to the stimulation of adverse factors, may also be caused by chronic pharyngitis, allergies and so on. 1. Adverse factors stimulation: for example, when frying peppers, stimulated by irritating odors, or smoking, drinking, the throat is stimulated by tobacco and alcohol, may cause itching throat, always want to cough. 2. Chronic pharyngitis: commonly found in people who use their voices excessively, such as singers, announcers, teachers or lecturers, etc. Chronic pharyngitis is easily induced due to the frequent excessive use of the voice. Due to the presence of inflammatory reaction in the throat area, the stimulating effect of inflammation may cause throat itching and coughing. 3. Allergy: Allergic patients exposed to allergens can cause throat itching, coughing symptoms, mostly associated with allergic rhinitis, allergic asthma. Itchy throat always want to cough, may also be associated with reflux laryngitis, etc., should be taken seriously, as soon as possible to see a doctor, after a clear diagnosis, to give targeted treatment.