This creation is about the structural improvement of a walking aid.It includes: bracket body,Auxiliary frame;The support system is composed of two support frames and connecting rods.The front side of the second support frame is connected with a connecting rod.The bottom end of the front foot of the two support frames is provided with wheels with brake plates.The foot bottom end of the back foot of the two support frames is provided with a sliding foot pad;The auxiliary frame is arranged on the top end of the two support frames of the support body.The auxiliary frame system consists of fixed seat,Elbow bracket and handle base,The inner side of the fixed base is provided with an arc groove.A vertical sleeve is arranged outside the fixed base.The bottom end of the vertical casing is provided with a pipe clamp.The lower end of the elbow bracket is provided with a vertical pipe.The upper end of the standpipe is provided with a horizontal sleeve.The front end of the horizontal sleeve is provided with a pipe clamp.The upper part of the horizontal sleeve is provided with an elbow pad seat for the placement of the elbow pad.The handle seat is a tubular structure.The lower end of the utility model is provided with a pipe clamp.And a transverse pipe is pivoted at the rear side.The tubular handle base body is internally provided with a handle rod.The upper end of the grip bar is provided with a grip sleeve and a brake handle;The inner arc-shaped groove of the fixing base of the auxiliary frame is propped against the top frame tube of the two support frames of the support body.The fixing seat is fixed on the two support frames of the bracket body with bolts.Then, the vertical pipe at the lower end of the elbow bracket is threaded into the vertical sleeve of the fixed base.Use the pipe clamp at the bottom of the vertical casing to lock the vertical casing to the fixed base.The handle seat is threaded through the cross sleeve of the elbow bracket with the cross tube pivoted at t