Heating element, heating device and cooking equipment

The invention discloses a heating element, a heating device and cooking equipment, a plurality of notch parts are arranged on the heating element, and at least one part of the outline of each notch part is constructed into a smooth curve. According to the invention, one part of the outline of the notch part is constructed into the smooth curve, so that the probability of point discharge is reduced, the ignition risk is reduced, and the safety is improved.