Urine is green then the possible causes: First, a large number of antibiotics, or take vitamin B, etc., can cause a short period of time green urine, usually related to the medication, stop the relevant drugs, the urine color can be restored to normal. Second, if there is urine Pseudomonas aeruginosa infection, can appear in the urine for the green situation, mostly accompanied by urinary tract irritation symptoms, such as urinary frequency, urinary urgency, urinary pain, can also be accompanied by fever, chills, need to carry out a clean urine bacterial culture, such as culture Pseudomonas aeruginosa can be diagnosed, need to be active in the treatment of anti-infection. Third, if the urine contains more bilirubin, the urine in the bladder storage time is too long, or discharge of urine placed for a period of time, the color of the urine can be changed to light green, this is because the bilirubin in the urine is gradually transformed into the bilirubin due to the urine can be a light green situation. Urinalysis may show an elevated level of bilirubin or an elevated level of bilirubin in the blood.