To inexpensively provide a toothbrush constituted by fixing a plurality of bristle bundles having an arbitrary cross sectional shape to the brush head.

This toothbrush constituted by fixing a plurality of bristle bundles binding filaments to the brush head is provided. A plurality of bristle bundles are bristle bundles whose at least a part fixes one end, the brush head consists of a plurality of bristle bundle fixing members in which through holes are formed and a bristle bundle locking member, and the bristle bundle whose one end is fixed is inserted and fixed into the through hole of the bristle bundle fixing member.