This creation provides a kind of portable and strides auxiliary device, assists to walk with what, and the portable auxiliary device that strides includes ontology, light source transmitting component and outer cover, and ontology has a fixed part for setting what ontology Hou side, ontology by the fixed what people of fixed part with; Light source transmitting component sets what ontology, and close to holding division, and light source transmitting component goes out straight line towards ground launch; Outer cover has the holding division for setting and covering outside what, and holding division is set by what ontology. It thereby designs, people can be allowed to be continuously advanced, can must effectively avoid instability of gait. 本創作提供一種攜帶型跨步輔助裝置,用於協助行走,攜帶型跨步輔助裝置包含本體、光源發射構件及外蓋,本體具有設於本體後側的固定部,本體藉由固定部固定於人們身上;光源發射構件設於本體,並靠近卡固部,且光源發射構件朝地面發射出直線;外蓋具有設於外蓋上的卡固部,卡固部設於本體旁。藉此設計,能讓人們持續前進,必能有效避免步態不穩。