Efficacy and Safety of An'Ningpai Expectorant in Non-CF Bronchiectasis

Inclusion Criteria: 1\) subjects older than 18 ; 2)a diagnosis of bronchiectasis was according to the 2010 British Thoracic Society guidelines; 3) with hypersecretion ：high viscous sputum symptoms (sputum traits score 2-3 points) ;4) patients had least two exacerbations in the past year and were in a state for at least 4 weeks prior to randomization Exclusion Criteria: 1\) cystic fibrosis or other etiologies (such as immunodeficiency, allergic bronchopulmonary aspergillosis, traction bronchiectasis caused by emphysema, advanced pulmonary fibrosis, etc.); 2)primary diagnosis of COPD or asthma; 3)a history of severe cardiovascular disease; 4)comorbidity with liver disease, kidney disease, malignant tumor, gastric ulcer, or intestinal malabsorption; 5)a known allergy to Eucalyptol , Limonene and Pinene Enteric Soft Capsules; 6)pregnancy or lactation (for women);7)a history of prior macrolide use of more than 1 week; 8)and poor compliance