PROBLEM TO BE SOLVED: To achieve size reduction of a standing auxiliary device.SOLUTION: A standing auxiliary device 1 for assisting standing of a user comprises: a stretchable part 20； a support part 30 to which a grip part 620 which is gripped by a user is attached, and which is connected to the stretchable part 20； and a holding part 50 for holding a base end part of the support part 30. The holding part 50 comprises a rotation guide part 523 for guiding so that the support part 30 rotates following to telescopic motion of the stretchable part 20, with the base end part side of the support part 30 as a shaft, and a vertical movement guide part 521 for guiding so that the support part 30 moves in a vertical direction following to telescopic motion of the stretchable part 20.SELECTED DRAWING: Figure 6【課題】立ち上がり補助装置の小型化を実現する。【解決手段】利用者の立ち上がりを補助する立ち上がり補助装置１は、伸縮部２０と、利用者が把持する把持部６２０が取り付けられ、伸縮部２０に連結された支柱部３０と、支柱部３０の基端部を保持する保持部５０と、を備える。保持部５０は、支柱部３０の基端部側を軸として、伸縮部２０の伸縮に伴って支柱部３０が回動するようにガイドする回動ガイド部５２３等と、伸縮部２０の伸縮に伴って支柱部３０が上下方向に移動するようにガイドする上下移動ガイド部５２１等と、を有する。【選択図】図６
