Semen is green, not a normal semen color, may be infected with Pseudomonas aeruginosa caused by prostatitis or seminal vesiculitis manifestations, it is recommended to use gentamicin, ceftazidime, levofloxacin and other antibiotics, as well as timely go to the hospital for treatment. Semen is composed of spermatozoa and seminal plasma, and seminal plasma is composed of various glandular secretions from the prostate urethra. The color of semen mainly depends on the color of seminal plasma, and in general, the color of semen is mostly milky white and yellowish; if there is a green color, it is mostly related to the infection of Pseudomonas aeruginosa, which leads to prostatitis or seminal vesiculitis, and the metabolites of Pseudomonas aeruginosa contain the element of copper, which is oxidized to show a green color. The metabolites of Pseudomonas aeruginosa contain copper, which shows up as a green color after oxidation, and therefore may turn semen green. Patients are advised to take antibiotics such as gentamicin, ceftazidime, levofloxacin, etc., and can also use the above antibiotic ointment externally for treatment. The above drugs need to be used under the guidance of the doctor, the semen green situation need to go to the regular hospital urology department for treatment, and strive for early recovery.