The invention relates to a baby walker. The baby walker comprises an upper frame, a lower frame, support rods used for connecting the upper and lower frames, and wheels fixed on the lower frame, wherein the upper and lower frames are provided with buffer rings, each buffer ring consists of a cavity and a buffer rubber column fixed in the cavity, the buffer rubber columns are arranged in a parallel or staggered mode, the buffer rubber columns are made of rubber and the cavities are made of elastic polyurethane. The baby walker solves the defects of the background art; the traditional mode that a baby learns walking in the walker is changed, thus personal injuries on the baby can be avoided and the baby can be helped to walk; and the baby walker is simple in operation and can effectively prevent the baby from falling and crashing in the walker.