The invention provides a bra with heating bra cups. The bra comprises two bra cups, two chest belts and a connecting belt, wherein the bottoms of the bra cups are connected with inner sides of the chest belts; the inner sides of the two chest belts are connected through the connecting belt; each bra cup comprises a fabric layer A and a fabric layer B; a heating layer and a water-isolation and heat-preservation layer are arranged between each fabric layer A and the corresponding fabric layer B in sequence; each fabric layer B comprises a water-absorption fabric and a water-isolation thin film; each water-isolation thin film is provided with a hole for containing a nipple. By adopting the bra with the heating layers, provided by the invention, the bra is worn on a body and the bra cups just cover breasts; milk in the bloated breasts is melted under the action of the heating layers, so that pains caused by breast bloating are rapidly and effectively alleviated and the bra is convenient to use.