Ice mat for cart

The ice mat for the cart comprises the cart, the ice mat is placed on a seat cushion of the cart, the ice mat is of a multi-layer inner mat type structure, air holes which are evenly distributed are formed in multiple layers of inner mats, and the air holes in every two adjacent layers of inner mats are arranged in a staggered mode and partially coincide; a cushion is arranged below the ice cushion, a through hole is formed in a bottom plate of the cushion, a piston which reciprocates is arranged at the bottom end of a frame of the trolley, the piston reciprocates and is driven by wheels, and the piston conveys external airflow to the position below the cushion, so that air below the cushion penetrates through the ice cushion to flow from bottom to top. The wheels are used for conducting reciprocating transmission on the piston, external air is conveyed to the position below the ice pad, flowing of air around the ice pad is accelerated, the multiple layers of ice pads are provided with the multiple air holes