The invention discloses a multifunctional toothbrush. The multifunctional toothbrush comprises a toothbrush rod, a music playing assembly, a fluorescent assembly, a tongue decontamination part, a toothbrush head, first bristles and second bristles; the music playing assembly is arranged at the bottom of the toothbrush rod; the fluorescent assembly is arranged in the middle of the toothbrush rod; the tongue decontamination part is fixed to one side of the top of the toothbrush head; the first bristles and the second bristles are all inserted into the toothbrush head; the toothbrush head is connected with the toothbrush rod. By means of the multifunctional toothbrush, through the arrangement of the music playing assembly at the bottom of the toothbrush rod, when teeth are brushed, music canbe appreciated, people feel relaxed and happy, and new experience is brought to people when people get up in the morning and brush the teeth; besides, due to the structures with different diameters ofthe first bristles and the second bristles, the further cleaning effect of the teeth can be achieved; the fluorescent assembly can achieve the effect of luminescence.