1, pay attention to the seasonal climate change, and adjust the cold and warm-keeping items of the body to avoid aggravation and lingering caused by wind evil or cold invading the body again. 2, the first onset should be treated in time, pay attention to rest, and try to avoid doing tiring work. Live a regular life and get enough sleep. 3, acute and chronic bronchitis, during the onset, should not eat spicy, fishy, cold things, and should not eat too much greasy and salty food. 4, quit smoking and drink less, be emotionally stable, don't be angry, be less excited, and don't be sad. 5. Take part in proper physical exercise, enhance physical fitness, try to keep the air fresh and humid indoors, and try to avoid going to public places and turbid air. 6. Cough sputum should be coughed up at any time and should not be swallowed. If it is difficult to expectorate, you need someone to help you turn over. Use the method behind the beat to reward expectoration and prevent suffocation. 7. Pay attention to the changes in the condition. If the condition worsens repeatedly and there are crises such as palpitation and cyanosis, you can go to the relevant hospital for treatment in time.