There are many causes of hoarse throat and loss of voice, and it is necessary to make a clear diagnosis and target treatment of the original disease. Diet to light diet, eat liquid or semi-liquid diet is good. 1. Oral medication: There are many causes of hoarseness and loss of voice in the throat, and it is necessary to make a clear diagnosis and target the treatment of the original disease. (1) infections: bacterial infections such as roxithromycin capsules, cefradine capsules and other oral anti-infective treatment, viral infections such as morinoguanidine, acyclovir and other oral antiviral treatment, laryngeal edema to prednisone, dexamethasone and other glucocorticosteroids systemic application. (2) Laryngeal polyps: surgical resection is the mainstay, such as laryngoscopic polypectomy, supplemented by glucocorticoids such as prednisone and antibiotics such as cefuroxime. 2. Diet: drink more water, eat fresh fruits and vegetables such as apples, watermelon, sorbet, oranges, cantaloupe, horseshoes, radish, etc., and eat a light, liquid or semi-liquid diet such as porridge, egg custard, noodles, etc., and avoid hard or spicy stimulating foods, and abstain from smoking and alcohol. There are many other causes of throat hoarseness and loss of voice, you need to go to the hospital for examination, diagnosed by the physician, under the guidance of the physician reasonable medication and diet, so as not to delay the condition.