To achieve the purpose of throat protection, there are several specific methods as follows: 1. Infusion: Patients can usually use chrysanthemum, honeysuckle, fat sea and other infusions to drink, and also use honey to mix water to drink, all of which can help to clear heat, detoxify and benefit the throat, and improve the dryness, pain, burning, foreign body and other uncomfortable symptoms that may appear in the throat, especially for patients who usually speak. It can help to improve the symptoms of throat discomfort, especially for patients who use their voices too much, or those who smoke, drink, or eat spicy food. 2, Prevention: Patients should develop good vocal habits, avoid excessive use of voice, and avoid all possible pathogenic factors to avoid recurring episodes of throat inflammation or The situation is gradually aggravated.