White phlegm without coughing may be chronic laryngitis, chronic pharyngitis, etc., the cause of different medications are different, you should consult a doctor in time to clarify the cause of the disease. 1. Chronic laryngitis: nebulized inhalation budesonide suspension; use Huang’s ringing sound pill, clear sound pill, laryngeal tablets and other proprietary medicines; avoid prolonged use of voice excessively, quit smoking and alcohol, improve the working environment, in the dusty environment of the operation should be strengthened protection; active treatment of chronic inflammation of the nasal cavity, sinuses, relieve nasal obstruction, control of the pharynx and the lower respiratory tract infection. 2. Chronic pharyngitis: iodine throat tablets, peppermint throat tablets or Chinese patent medicine tablets; commonly used compound borax solution furacilin solution, compound chlorhexidine gargle and other gargles, gargles can clean the back wall of the pharynx; adherence to outdoor activities, quit smoking and alcohol and other bad habits, keep the indoor air fresh, active treatment of chronic inflammation of the respiratory tract, such as rhinitis, trachea bronchitis, and other systemic diseases. There may also be other reasons, such as chronic bronchitis, chronic obstructive pulmonary disease, etc. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment. The above drugs need to be standardized and rationally applied under the guidance of professional physicians and pharmacists.