The green urine is considered to be related to taking drugs, urinary tract infection and high bilirubinuria. 1. Patients who recently took a large number of penicillin, erythromycin and other antibiotics, may lead to green urine, this time is considered to be an adverse drug reaction, the general withdrawal of the drug symptoms can disappear on their own. 2. If the patient has a combination of urinary frequency, urinary urgency, urinary pain, fever and other discomforts, we should be alert to the occurrence of urinary tract infection, it is recommended to improve the urine culture and other tests, to clarify the causative pathogens after the use of sensitive antibiotics active treatment. 3. If the patient’s urinary bilirubin level is high, bilirubin will become bilirubin after redox reaction, which will lead to green urine, then the patient is considered to be jaundiced, and it is recommended that the patient improve liver function, ultrasound and other tests to clarify the cause of jaundice. If the appearance of green urine is related to the above factors, if the symptoms continue to be unrelieved, we should be vigilant about the occurrence of urinary tract infection and jaundice, and we suggest that the patient go to the hospital as soon as possible, complete the relevant examinations to clarify the cause of the disease and then actively treat it.