Problem to be solved: to provide a manual rotary toothbrush which is easy to handle and easy to handle, without selecting the driving position of the driving part 8.Solution: a rotary brush 3 having a first gear 4 is pivotally supported at an end portion of the brush body 1, and the first gear 4 and the third gear 6 are connected to each other by a belt 7, and a drive portion 8 is provided on the belt 7 to reciprocate in the longitudinal direction.Diagram【課題】 構造が簡単で、駆動部8の駆動位置を選ばず、取り扱いやすい手動回転歯ブラシの提供。【解決手段】 ブラシ本体1の端部に第1歯車4を有する回転ブラシ3を軸支し、第1歯車4と第3歯車6との間をベルト7で接続し、ベルト7に駆動部8を設けて、長手方向に往復移動させる。【選択図】図1