< Topic > Depending upon the sickness and accident etc, the case where four foot animal where the motor function of the hind leg has become insufficient does direction conversion buckling of the fuselage is not inhibited, the wheelchair for four foot animal which four foot animal can use more comfortably is offered. Solutions The traction section 110 which is installed in the shoulder of four foot animal 10 and, mounting the hind leg side of four foot animal, 10 as wheel 140 of the pair which is installed in the supporter 130 whom it supports and this supporter 130 and traction section the rigid wheel 120 which concatenates 110 and supporter 130 and, it has, rigid wheel 120, lays out in directly above position of the backbone according to the backbone direction of four foot animal 10, rigid wheel the 1st join section 150 which has joined with 120 and traction section 110, and rigid wheel 2nd has joined 120 and supporter 130Left and right direction (horizontal direction) it makes either of join section 160, time motion possible. < Choice figure >Drawing 5【課題】 病気や事故等によって、後肢の運動機能が不十分となった四足動物が方向転換をする際の胴体の湾曲を阻害せず、四足動物がより快適に使用することができる四足動物用車椅子を提供する。【解決手段】 四足動物10の肩部に装着される牽引部110と、四足動物10の後肢側を載置して支持する支持部130と、この支持部130に取り付けられた一対の車輪140と、牽引部110と支持部130を連結する連結棒120と、を備え、連結棒120が、四足動物10の背骨方向に沿って背骨の真上位置に配置すると共に、連結棒120と牽引部110とが結合している第1の結合部150、及び、連結棒120と支持部130とが結合している第2の結合部160のいずれもを、左右方向(水平方向)に回動可能とする。【選択図】図5