If the urine appears light green, it is recommended to go to the hospital for further examination to clarify the possible causes: 1. If the patient is taking medication, it is possible to have a change in the light green color of the urine during taking antibiotics, which is related to the color of the urine affected by the medication, commonly seen in large amounts of antibiotics, which can appear light green. 2. If the infection of Pseudomonas aeruginosa occurs in the urine, the light green color of the urine can appear, which will mostly be accompanied by cloudy urine or 3.If the bilirubin content in urine is too high, in the process of urination, the urine will be left for a period of time, the bilirubin will be oxidized and reduced to biliverdin, it can appear the change of light green urine, and the urine routine examination can be seen positive for bilirubin, some patients can also appear the phenomenon of yellowing of skin mucosa. 4.After taking vitamin preparations, there may be The change of yellow-green urine, such as taking vitamin B complex tablets, 21 gold vitamins and other drugs, there may be a change of light green or yellow-green urine.