Cough all the time have yellow phlegm how to do

Cough with yellow sputum indicates that the patient has symptoms of bacterial respiratory tract infection, which may be bronchitis or bronchiectasis. The patient needs to perfect lung chest X-ray examination and sputum culture test, identify the pathogenic bacteria infected and use antibacterial drugs for symptomatic treatment. At ordinary times, more attention should be paid to rest, and the diet should be light.