Objective The value of ultrasonic diagnosis of ureterocele.Methods The use of instruments GE vivi7 color Doppler ultrasonic diagnostic ap-paratus,convex array probe 3.5- 5.0Hz,patient was supine or lateral position.Results 25 case ureterocele been diagnosed with ultrasonic.the correct rate of diagnosis was 96%.Conclusion The ultrasonic examination of the cause of ureterocele in a high rate of diagnostic accuracy of clinical diagnosis and treatment of important guiding significance.