To provide a toothbrush, which is convenient to use or carry and easy to store, by providing one toothbrush for brushing teeth only and the other toothbrush for cleaning between teeth.

This toothbrush is detachably provided with the main body 1 of a toothbrush for brushing teeth only at one end of a supporting bar 3 and another brush 7 for cleaning between teeth only at the other end, so that the main body 1 of the toothbrush and the other brush 7 for cleaning between teeth can be stored in the supporting bar 3. The extra brush for the brush 7 for cleaning between teeth can be stored in the supporting bar 3. The supporting body 3 is provided with a means for dehydration and a mirror.