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This study has an aim to research the effect of ankle disc training on the strength and balance of the ankle in volleyball athletes. As an Subject, thesis selected sixteen boy valley ball players in activity listed in the high school who had an experience of surances from ankle distortion over two times, had no hurts demanded of cure in the hospital within three months before an experiment, had an experience of give-away episode more than two times within at least three months recently, and had a carrier of more than five years, and it divided randomly them into exercise groups like ADTG(training group with ankle disc; N=8), NTG(none-training group (N=8), and made them participate in exercise program for six weeks.The results are summarized as follows;After Ankle disc training, Peak Torque of %BW of ankle strength of training had a significant effect in the case of Inversion, Dorsiflexion(p<.05) and Average Power %BW of ankle disc training had a significant effect in the case of Inversion(p<.05). Groups of ankle disc had a significant effect from Forward in the case of Endpoint Excursion and Max Excursion(p<.05). These results say that groups had no static significance each other, but the training program of ankle disc for six weeks had more effective tendencies in the case of Peak Torque and Average Power of %BW and Endpoint Excursion and Max Excursion on the ability.