A toe straightening device includes a straightening member and an adjusting member, the straightening member has more than two abutting parts, the abutting part has an outer side and an inner side, and the inner side of the abutting part forms a straightening space, the adjusting member is arranged in the straightening member, the adjusting member is connected between the inner side of the abutting part, and The adjusting member includes an expansion part and a control part which are connected to the inner side of the supporting part, and the control part is arranged on the expansion part.Thus, the adjusting member can adjust the distance between the abutting parts, and has the effect of light and simple, and can improve the correction effect.一種腳趾矯正裝置,包含一矯正構件及一調整構件,該矯正構件係具有二個以上之抵靠部,所述抵靠部係具有一外側面及一內側面,且所述抵靠部之內側面之間係形成一矯正空間,該調整構件係設置於矯正構件內,該調整構件係連接於所述抵靠部之內側面之間,且該調整構件係包括一伸縮部及一控制部,該伸縮部係連接於所述抵靠部之內側面,而該控制部係配設於伸縮部上。藉此,該調整構件可調整抵靠部之間距,而具有輕巧簡便、可提升矯正效果的功效。