How to maintain and treat bad trachea?

Strengthen physical exercise, strengthen high-quality protein nutrition, enhance immunity, and wear masks when going out in cold and foggy weather.

Eat a few walnuts every day since autumn, usually eat more eggs, eat traditional Chinese medicine astragalus, placenta hominis and so on. (improving the resistance and nutrition supply of bronchial wall, promoting repair), insisting on washing face and hands alternately with cold and hot water every day (enhancing the body's adjustment ability and resisting colds), and doing abdominal breathing for half an hour before getting up in the morning and evening (improving lung function), these are all scientific and effective treatment methods.

As long as it is properly maintained, tracheitis can be basically cured, emphysema will not develop after two or three years, and lung function can be greatly improved.