The invention discloses a clinical medical rehabilitation walking assisting cart. The walking assisting cart comprises a U-shaped base; two directional wheels and two universal wheels are fixedly installed on the two sides of the bottom of the U-shaped base respectively, and the two directional wheels are symmetric with the two universal wheels respectively; two first connecting rods are fixedly connected to the top side, close to the universal wheels, of the U-shaped base, the two first connecting rods are symmetrically arranged and are located over the universal wheels respectively, second connecting rods are fixedly connected to the ends, away from the U-shaped base, of the first connecting rods, armrests are fixedly installed on the ends, away from the first connecting rods, of the second connecting rods, and third connecting rods are fixedly connected to the centers of the first connecting rods. According to the walking assisting cart, the risk of secondary injury caused to an elder patient when an accompanying person forgets to brake the cart or the elder patient forgets to brake the cart without the accompanying person is avoided.