Bronchitis is an acute or chronic non-specific inflammation of the bronchial mucosa and surrounding tissues caused by a variety of factors, after the bronchitis gets better, firstly, the patient’s cough and sputum symptoms will disappear immediately, secondly, the lung tissue and blood routine will return to normal, and finally, the systemic symptoms will subside and the patient will return to normal physical condition. 1. When bronchitis is diagnosed, the patient will firstly have cough and sputum as the main symptoms of The cough and sputum will disappear after 3-5 days after taking anti-inflammatory cough and phlegm medication, and the patient will obviously feel slightly clearer breathing, and the cough and sputum symptoms will be reduced and gradually subside. After antibiotic medication, the patient’s breathing is stable, the white blood cell and neutrophil values in the blood routine return to normal levels, the lung texture in the chest X-ray is not disorganized, and there are no abnormalities in the alveoli; 3. After active treatment, the patient’s systemic symptoms subside, the airway is stretched, breathing becomes more fluid, and the body state is relaxed. In the later stages bronchitis patients should try to drink more water and ventilate more, and go to the hospital for regular review to ensure that bronchitis is completely cured and avoid recurrence.