The invention discloses a walking aid for climbing stairs. The walking aid for climbing the stairs comprises a drive walking base and a driven walking base. A universal coupling is connected between the drive walking base and the driven walking base. The bottom of the drive walking base and the bottom of the driven walking base are both provided with rolling wheels. The upper surface of the drivewalking base is provided with a walking motor, a storage battery and a frequency converter. The front side and the rear side of the drive walking base are each provided with a pair of sliding throughgrooves. The front side and the rear side of the driven walking base are each provided with a pair of sliding through grooves. The sliding through grooves are internally provided with limiting devices. The upper surface of the driven walking base is fixedly provided with a bottom plate. The bottom plate is provided with a handle. A forearm bearing base is formed on the upper surface of the bottomplate, and the forearm bearing base is internally provided with a self-locking device. The walking aid for climbing the stairs has the advantages that the walking aid is installed on an armrest and can upwards walk along the armrest, the walking aid helps people who have trouble walking to climb the stairs, lighting and voice help functions are achieved, the walking aid is convenient to use at night, and a certain guarantee is provided for alone walking up and down the stairs.