How to prevent and treat chronic bronchitis in the elderly in autumn and winter?

Chronic bronchitis is a typical chronic disease with slow onset, long course and easy recurrence. No obvious symptoms in the early stage. The main symptoms at onset are: 1. Cough: Cough is the most important symptom of chronic bronchitis, which is obvious at night or in the morning, and there will be bouts of cough or expectoration when sleeping. 2. expectoration: there will be expectoration, usually white mucus and serous foam. There will be more sputum in the morning, and when it is serious, it will bring blood. 3. Wheezing or shortness of breath, patients will have wheezing and shortness of breath when going upstairs or doing exercise. At present, for the treatment of bronchial diseases, regular Chinese medicine treatment will reasonably adopt drug treatment according to the patient's condition, and cooperate with physical therapy, which will have a certain curative effect on more patients, with little side effects and easy to adjust the body function.