Objective To elaborate on the classification of Juvenile recurrent parotitis(JRP)based upon clinical manifestation,ultrasonic and sialographic appearances,and to evaluate the effect of Lipiodol irrigation.Methods Forty-three patients with JRP underwent ultrasonic examination and Lipiodol sialographic inspection/irrigation procedures.The clinical characteristic of JRP was summarized,severity of illness was classified,and the effect of Lipiodol irrigation was analyzed.All patients were followed up periodically after treatment.Results Forty-three patients with JRP underwent 1-5 times of Lipiodol irrigations.During the 12 months follow-up after last irrigation,17patients(39.5%)went well without recurrence,17 patients(39.5%)recurred once,5 patients(11.6%)suffered recurrence for twice,while another 2 patients(4.7%)felt worse,2 patients lost to follow-up(4.7%).JRP can be classified as mild,moderate,and severe lesion with different effective rate of 83.3%,50.0%,and 34.8%separatly.Conclusion Lipiodol irrigation is valuable for the diagnosis and treatment of JRP.Early treatment is more effective when the lesion is mild.