Cough with green sputum may be a Pseudomonas aeruginosa infection, which can be treated with antimicrobials and other medications. Pseudomonas aeruginosa is also known as Pseudomonas aeruginosa, chest X-ray may have early lung abscess, diffuse bronchitis. Symptoms may show toxemia symptoms (chills, high fever, general malaise, etc.) are evident, and purulent sputum, which may be blue-green in color. Antimicrobial therapy is the key to the treatment of Pseudomonas aeruginosa, generally available through lung tissue specimen culture, drug susceptibility testing to select antimicrobial drugs, commonly used antimicrobial drugs are cephalosporins (such as cefotaxime, cefoperazone), fluoroquinolones (levofloxacin, etc.) and other medications, the use of medications should be carried out under the guidance of a doctor. Cough with green sputum can not exclude other diseases, it is recommended to go to the hospital for a comprehensive examination to avoid delay.