The invention relates to an exoskeleton assistive device for combining with an exoskeleton assistive device, which comprises two assistive modules.An exoskeleton assistive device is added to the existing exoskeleton assistive device, the user can use the exoskeleton assistive device normally, and the exoskeleton assistive device can assist the user to walk or climb stairs, so the exoskeleton assistive device can provide corresponding auxiliary functions to the exoskeleton assistive device.In this way, exoskeleton assistive device can assist exoskeleton assistive device to operate, so that exoskeleton assistive device can save a lot of electric energy in walking mode, and prolong the use time of exoskeleton scaffold.本創作有關於一種外骨骼輔助裝置,用以結合於一外骨骼助行裝置,該外骨骼輔助裝置包含二助行模組。現有的外骨骼助行裝置上加設一外骨骼輔助裝置,使用者可以正常使用外骨骼助行裝置,外骨骼助行裝置可輔助使用者步行或爬樓梯,則外骨骼輔助裝置可提供相應之輔助功能給外骨骼助行裝置。如此透過外骨骼輔助裝置能夠輔助外骨骼助行裝置作動,使外骨骼助行裝置於步行模式下省下大量的電能,延長外骨骼支架之使用時間。