An atomization assembly for use in an electromagnetic heating device, includes an atomization apparatus (10) and a heating apparatus (20). The atomization apparatus (10) comprises a magnetically conductive metal part (12). The heating apparatus (20) comprises, a circuit board (22), a power battery (23) and a coil assembly (24). The power battery (23) is connected to the coil assembly (24) by means of the circuit board (22). The coil assembly (24) is provided with an accommodating space (241). The magnetically conductive metal part (12) is located in the accommodating space (241). The present invention applies power battery (23) heating to the electronic atomization field, and the magnetically conductive metal part (12) requires no conductive lines connected thereto, and both the structural strength and the material of the magnetically conductive metal part (12) can be made with an optimal design and the utilization of thermal energy is made high.