本发明提供一种可提高宠物用提袋之尺寸设定之弹性之附宠物用提袋之推车。;上述附宠物用提袋之推车之推车本体20包括供载置提袋70A之上缘框体75A之提袋支持体50。提袋70A之前后尺寸小于提袋支持体50之前后尺寸,藉此,于提袋70A与提袋支持体50之间形成有前后方向间隙G。于前后方向间隙G配置有袋构件101。;A cart body (20) of the cart with a pet carrier includes a carrier support (50) for bearing an upper margin (75A) of a carrier (70A). A dimension of the carrier (70A) in a front-to-rear direction is smaller than that of the carrier support (50) such that a gap (G) is formed in the front-to-rear direction between the carrier (70A) and the carrier support (50). A bag (101) is provided in the gap (G) in the front-to-rear direction.