The invention provides a bra having heating cups. The bra comprises two cups, two breast belts and a connecting belt; the bottoms of the two cups are connected with the connecting belt; two sides of the connecting belt are respectively connected with the inner sides of the two breast belts; every cup comprises a heating layer and fabric layers from outside to inside; the heating layer is formed by a material bag and a heating agent; the heating agent is wrapped with the material bag; the fabric layers comprise an A fabric layer and a B fabric layer; the B fabric layer comprises a first waterproof film layer, a water-absorbing cloth layer and a second waterproof film layer; the second waterproof film layer is provided with an opening for accommodating a nipple; and the bag material is detachably mounted on the A fabric layer. The bra having the heating layer is used and is worn on the body, the bra cups rightly cover breasts, and the milk of the engorgement breasts is thawed under the action of the heating layers, so engorgement induced pains are quickly and effectively alleviated, and the heating bra is convenient to use.