Suggestion: Condition analysis: Hello, chronic bronchitis is a chronic non-specific inflammation of the trachea, bronchial mucosa and surrounding tissues caused by a variety of causes. Colds, smoking and colds often induce or aggravate the disease. The main clinical manifestations are chronic cough, sputum production, repeated infections, or accompanied by wheezing. 1. For mild cases, oral antibiotics and antiasthmatic and expectorant drugs can be used. 2. For those with severe symptoms, intravenous antibiotics such as penicillin and ciprofloxacin should be used. 3. For patients with critical illness or severe gram-negative bacterial infection, a combination of multiple antibiotics should be used intravenously. For those with conditions, it is best to choose antibiotics based on drug sensitivity tests. 4. For wheezing patients, antispasmodic and antiasthmatic drugs can be used, such as aminophylline, albuterol, ipratropine bromide, etc.