A walking aid.Including two brackets,Mutual interval setting;Two slide rail components,They are respectively arranged on two supports.And each slide rail component can extend forward or contract backward;First connector,It is arranged in front of the two supports.The two ends of the first connecting piece are respectively connected with the front end of the two slide rail components;Second connection,Connected at the center of the first connecting piece;And connecting rod assembly,The central part can be pivotally connected with the second connecting piece.The two ends of the connecting rod assembly are respectively pivotally connected with the front end of the two supports;When the user walks forward,It is not necessary to lift and lower the walker as a whole.You can move forward directly by hand through the support of each bracket.It can make users use less injured feet to support and apply force.And can be set in the pulley through the one-way bearing.Avoid secondary injury caused by the user's inadvertent backward movement when moving forward.一種助行器,包括二支架,相互間隔設置;二滑軌組件,分別設置在二支架,且各滑軌組件可朝前伸長或朝後收縮;第一連接件,設置在二支架前方,且第一連接件的兩端分別連接二滑軌組件前端;第二連接件,連接在第一連接件中央處;及連桿組件,其中央處與第二連接件可樞轉地連接,連桿組件兩端分別與二支架前端可樞轉地連接;使用者在使用前進行走時,無須將助行器整體往上提起再放下,直接以手透過各支架的支撐即可往前行進,可令使用者少用受傷的雙腳支撐施力,並可透過單向軸承設置在滑輪內,避免使用者在前行時不小心倒退而造成二次傷害。