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Background: This study was conducted to compare the effects of an incline board, proprioceptive neuromuscular facilitation (PNF) stretching, and joint mobilization on the dorsiflexion of the ankle joint and muscle tone of the plantar flexor and ankle in stroke patients. Methods: Forty-five stroke subjects were randomly divided into three groups: each JMG (Joint Mobilization Group), IBG (Inclined Board Group) and PSG (PNF Stretching Group). The experiment was performed for eight weeks between August 1 and October 31, 2018. Results: The dorsiflexion of the ankle joint was significant between the groups and by period (p<.05). JMG had a significant change by period (p<.05). Differences between groups by period increased after 8 weeks in the PSG and the JMG (p>.05). The gastrocnemius lateral muscle tone was significant between the groups (p<.05), and medial muscle tone was interacted between groups and time (p<.05). Conclusion: An effective intervention method to increase the dorsiflexion of the ankle joint and decrease the muscle tone when performing PNF stretching, and joint mobilization in stroke patients was confirmed. Future studies are recommended to variety research of PNF stretching and joint mobilization.