Most of the yellow sputum is caused by bacterial infection, but it is not absolute, a small portion may be caused by other pathogenic microorganisms infection. If the phenomenon of coughing up yellow sputum, you can first use cephalosporin or penicillin antibacterial drugs to actively treat, but also erythromycin, roxithromycin and other drugs. In traditional Chinese medicine, it is caused by wind-heat cold and fire, and it needs to be treated with the combination of heat-clearing and fire-removing drugs and cough-relieving and phlegm-eliminating drugs. If the therapeutic effect is not very obvious, you also need to do sputum examination, do drug sensitivity test, according to the results of the selection of more sensitive antibacterial drugs active treatment. At this time also need to pay attention to diet, drink more water, try to avoid eating spicy, irritating, easy to cause fire food.