Eat throat tablets do not cough, do not eat and cough, most often seen in chronic laryngitis, the possible causes of poor living and working environment, chronic rhinitis, gastroesophageal reflux disease. 1. Bad life and work environment: workers in dusty construction sites, singers, teachers, etc., due to the long-term stimulation of dust or often high-intensity voice, which may lead to chronic inflammation of the mucous membrane of the pharynx. Pharyngeal tablets have the effect of reducing pharyngeal swelling, which can relieve the symptoms of chronic pharyngitis, stop using medication without improving the living and working environment is prone to recurrence of the old disease. 2. Chronic rhinitis: chronic inflammation of the nasal cavity will cause an increase in nasal mucosal secretions, nasal secretions flow back into the pharynx can be triggered by chronic inflammation, if the chronic rhinitis is not under control, the inflammation of the pharynx will recur. 3. Gastroesophageal Reflux Disease (GERD): The stomach contents are acidic, and if they flow back into the pharynx through the esophagus, chronic inflammation of the pharynx can be triggered, and controlling gastric acid reflux is the root of the disease. It is recommended that patients consult a doctor to check the cause of the disease, and treatment for the cause of the disease can be effectively controlled for a long time.