The utility model relates to a driving aid with a safety brake, which comprises a body, a cushion, a pneumatic rod and a brake group, wherein: the bottom group of the body is equipped with a pulley, the cushion is pivotally arranged on the body at a limited angle, the two ends of the pneumatic rod are respectively arranged between the body and the cushion, and the pneumatic rod normally stretches to lift the cushion, a part of the brake group is arranged at the pivot position of the cushion and is connected with the cushion pivot, and Another part of the brake group is arranged on the body and the top pulley has the brake effect.一種具安全剎車之助行車,其包括有本體、坐墊、氣壓棒、剎車組,其中:本體底部組配有滑輪,坐墊以有限角度樞擺設置於本體,氣壓棒其兩端分別組配於本體與坐墊之間,且氣壓棒常態伸張抬舉坐墊,剎車組一部分配置於坐墊樞設位置並同坐墊樞擺連動,以及剎車組另一部分配置於本體而抵頂滑輪產生剎車作用。