There are many reasons why little girls urinate frequently, mainly including nervousness, urethritis, nephritis and so on. 1. caused by mental tension, such as the little girl was intimidated or in a stressful environment, the child is very nervous may be manifested in frequent urination symptoms, most of the tension and fear of emotional relief symptoms will be improved, can not do special treatment, if the delay is not relieved, the need for psychological intervention. 2. Urethritis, patients in addition to frequent urination, will be accompanied by urinary urgency, urinary pain and other symptoms, blood test can be found in the inflammatory index is high, the need for anti-infective treatment, if the child’s symptoms are more serious, need to be hospitalized in the static injection of antibiotic treatment. 3. nephritis, pediatric nephritis is often secondary to bacterial or viral infections of the upper respiratory tract, children mostly in the respiratory tract infections three days or three weeks after the emergence of some of the children can appear waist pain, check the urine routine can appear hematuria, proteinuria, and other abnormalities, the need for further examination of the 12-hour urine volume or even kidney puncture to clarify the type of nephritis for treatment. Frequent urination in little girls may also be other reasons, patients need to go to the hospital, follow the doctor’s instructions to improve the relevant examination and treatment.