Because beer is an irritating food, it will lead to congestion of patients' pharyngeal mucosa and aggravate inflammation. At the same time, we must pay attention to eating more fresh fruits and drinking more water from Siraitia grosvenorii and boat-fruited Sterculia during illness. During the illness, patients should not only drink alcohol, but also smoke less. Because smoking is also harmful to patients.

First, don't smoke harmful substances in the fog, which is a malignant stimulation to the throat, damages the mucosa of the pharyngeal cavity, leads to decreased immunity and inflammation. Second, avoid dust to improve the working environment, strengthen self-care, clean the blackboard from top to bottom, and move as lightly as possible to reduce dust flying. Don't go to places with turbid air and serious pollution at ordinary times, avoid inhaling too much dust or microorganisms, and wear masks when necessary. Third, the environment is pleasant. The air in classrooms and offices is dry, too cold, too hot and too wet, which will reduce the defense ability of pharyngeal mucosa, cause dysfunction and easily cause chronic pharyngitis for a long time. Therefore, the indoor environment should have suitable temperature and humidity, pay attention to ventilation and keep the air fresh. Fourth, protect your mouth, insist on gargling after meals, brush your teeth before going to bed in the morning and at night, and keep your mouth clean, which can keep your throat away from inflammation. Don't use your voice too much. Female teachers should not use too much voice during menstruation, and should not sing loudly, so as to avoid the vocal cords being violently shaken by the airflow, which will lead to fatigue or injury of the vocal cords. 5. Work and rest combined with irregular life, often staying up late, and excessive fatigue will aggravate the symptoms of pharyngitis. So live a regular life and get enough sleep. To prevent pharyngolaryngitis, we should eat less spicy food and give up smoking and alcohol at the same time. We should eat more fruits rich in vitamins, such as kiwi fruit, fig and watermelon. Eating foods rich in collagen and elastin can repair the throat mucosa.