The appearance of cough with green sputum indicates the occurrence of Pseudomonas aeruginosa infection in the respiratory system. At this time it is necessary to use special antibiotics for anti-inflammatory treatment. If the infection is confined to the upper respiratory tract, the amount of sputum is relatively small, and if the infection has progressed to the lower respiratory tract, this time triggers a situation of bronchitis or pneumonia, and the amount of sputum is relatively large. It is better to penicillin drugs, if there is no allergy, intravenous drip penicillin drugs, such as meloxicillin, amoxicillin, use piperacillin. In addition, cephalosporins, if there is no allergy, can also be used cephalosporin antibiotics, intravenous drip treatment, can use the second generation of cefminox, three generations of cefoperazone, three generations of ceftazidime effect is better. In addition, it is best to combine with cough expectorant drugs, such as pulmonary cough combination, aminoglutethimide hydrochloride.