The itchy throat and mute speech are usually considered to be caused by allergic laryngitis, upper respiratory tract infection, reflux laryngitis and other reasons. 1. Allergic laryngitis: allergic laryngitis induced by dust, dust stimulation, contact with allergens, etc., the mucous membrane of the throat is congested and swollen, dry, itchy throat, congestion of the vocal cords, resulting in hoarse speech symptoms. 2. Upper respiratory tract infection: due to bacterial and viral infections, resulting in congestion and swelling of the throat, local pain or itching, hoarseness and other symptoms. 3. Reflux laryngitis: stomach contents reflux to the throat cavity, acid corrosion stimulation of the throat chronic inflammation occurs, resulting in discomfort in the throat itchy throat, vocal folds mucous membrane edema leading to hoarseness. The itchy throat and mute speech may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.