An automatic traction device comprises: a support frame, a traction mechanism and a driving mechanism, which automatically drives the cable guide of the traction mechanism to alternately retract the pair of traction cables when activated, and is paired The traction on the traction cable alternately moves up and down to alternately pull a user's upper or lower limbs.一種自動牽引裝置，包含：一支撐架、一牽引機構及一驅動機構，該驅動機構在啟動時自動地驅使該牽引機構之導索器交替地收放成對的牽引索，而使成對的該牽引索上的牽引把交替地上下移動，以交替地牽引一使用者的上肢或下肢活動。
