The invention discloses a ceiling fan with a heating function. The ceiling fan comprises a top seat, a motor, a rotary disc, a plurality of fan blades, a plurality of blades, a shell, a chassis, an electric heating net, a control box and two fixed plates, wherein the top seat is internally provided with a cavity; the motor is mounted in the cavity; the rotary disc is located below the top seat andis connected to the output shaft of the motor; the fan blades are detachably mounted on the periphery of the rotary disc; the blades are detachably mounted on the rotary disc; the lower end of the shell is provided with an opening and the upper end of the shell is connected to the periphery of the top seat, the shell is internally provided with an accommodating space, and the rotary disc and theblades are accommodated in the accommodating space; the chassis is mounted in the opening in the lower end of the shell and is provided with a plurality of channels for circulating air; the electric heating net is fixedly mounted on the upper surface of the chassis through a plurality of columns; and the two fixed plates arranged in mirror image are of semi-annular shapes, peripheral slots are circumferentially formed in the periphery of the top seat, the two fixed plates spliced are locked into the peripheral slots, and the upper end surface of the shell is connected to the two fixed plates.According to the technical scheme, double functions of blowing cold air and hot air integrally by the ceiling fan can be achieved by means of the detachable structure by making full use of the function of an indoor ceiling fan.