Is there bacteria in normal urine?

Normal urine should not contain bacteria. If urine routine is done, it is found that there is a certain amount of bacteria in urine, but there are no symptoms, including frequent urination, urgency, pain in urination, or gross hematuria, no lower abdominal pain, no fever, chills, etc. Simple urinary system contains a certain amount of bacteria, this situation in lesbians, especially elderly women inside is more common, asymptomatic bacteria urine, white blood cells do not rise, in clinical follow-up can be observed, often do urine routine examination, can temporarily not treat. But for men, if found urine routine contains bacteria, normal this situation must find out the reason, may be accompanied by white blood cells increased. Bacterial urine for men is to identify the cause, and intervention and treatment.