Chronic pharyngolaryngitis is treated with laser therapy only in chronic hypertrophic pharyngolaryngitis with lymphoid follicular hyperplasia or chronic laryngolaryngolaryngitis with hypertrophied vocal cords and severe hoarseness. Not all laryngitis can be treated with laser. 1. Chronic hypertrophic pharyngitis: treatment often use compound borax solution, furacilin solution for gargling; also available mint throat tablets, Dafenlaure spray for local treatment. If the pharynx elevated lymphoid follicles can be cauterized using laser therapy, with simple operation, less pain, less bleeding, good efficacy advantages. 2. Chronic laryngitis: removing the cause is the key to treating chronic laryngitis. Including the treatment of nasal cavity, sinus, oral cavity, pharynx, systemic diseases. Remove occupational pathogenic factors, quit smoking and drinking, and develop good habits. Vocal rest is especially important, only in patients with hypertrophied vocal cords and severe hoarseness, the hypertrophied vocal cords can be flattened and thinned with a laser under a microscope to improve vocal function. Whether or not laser treatment can be used, it is necessary for the patient to go to the hospital after consultation with a doctor to decide according to the condition, and it is recommended that the patient go to the hospital as soon as possible so as not to cause delays in the treatment of the disease.