Sore throat is a symptom, prevention can only start from the occurrence of the disease. Sore throat is commonly caused by pharyngitis. Taking pharyngitis as an example to illustrate, in general daily life, drinking more warm water, eating more vegetables and fruits, maintaining a good work and rest, eating less spicy and fried food, and exercising are all conducive to the prevention of sore throat. Adults should drink about 1,200-2,000ml of warm water every day, which can promote the normal metabolism of the body to improve one’s physical condition. Vegetables and fruits are rich in vitamins, and some fruits such as pear, grapefruit and loquat, etc., can also play a role in clearing heat and reducing fire, detoxification, and eating vegetables and fruits has a better effect on strengthening the immune system. Good work and rest habits can make a person energetic, at the same time can enhance the body’s immunity, if you stay up late will affect the metabolism detoxification effect, will reduce immunity. Exercise can also help to strengthen the body, enhance the body’s resistance, preventing the sore throat caused by infection. Don’t smoke, don’t drink alcohol, and avoid spicy and irritating foods. Pay attention to environmental hygiene, avoid dealing with environmental pollution or dusty environment for a long time, and take good protection when necessary to reduce the possibility of disease. If there are nose, sinus, ear diseases, should consult the doctor in time, follow the doctor’s instructions to standardize the treatment, avoid involving the throat. The occurrence of sore throat, timely consultation, so as not to delay the condition.