Bronchiectasis with yellow sputum mostly indicates the presence of acute infection and requires aggressive anti-infective treatment. The details are described below. Bronchiectasis is a structural change in which the distal bronchus becomes permanently dilated, making it easy to combine infection with cough, coughing sputum and hemoptysis. When coughing yellow sputum, it is necessary to take corresponding drugs for treatment according to the infected bacteria.1. Take sputum specimens for sputum culture and drug sensitivity test, and select sensitive antibiotics according to the results of the drug sensitivity test.2. If the sputum is sticky and not easy to cough out, you can use sputum-reducing drugs, such as acetylcysteine and ambroxol hydrochloride, and use symptomatic treatment such as bronchoscopic aspiration.3. Take postural drainage way, so that the affected lung is in a higher position to facilitate the expulsion of sputum. Since bronchiectasis is also a wasting disease, rehydration and nutritional support therapy are required.