Provided is a massage mechanism which reduces the thickness of a plate-shaped massage machine in the front-rear direction. This massage mechanism (6) is provided with: a massage member (7) having a treatment element (8) provided at the front end thereof a first drive motor (12) for driving the massage member (7) and a second drive motor (42) for vertically moving the massage member (7). The first drive motor (12) and the second drive motor (42) are arranged adjacent to each other. The first drive motor (12) and the second drive motor (42) are arranged so that, in a bottom view, the first drive motor (12) and the second drive motor (42) partially overlap each other in the left-right direction and partially overlap each other in the front-rear direction. A rotating drive shaft (20) for driving the massage member (7) is disposed so that, in the bottom view, the rotating drive shaft (20) partially overlaps the first drive motor (12) and passes through the portion where the first drive motor (12) and the second drive motor (42) do not overlap each other in the front-rear direction.提供板型按摩機的前後方向厚度經薄化的按摩機構。本發明的按摩機構(6)具有:按摩構件(7),具有備設於前端的施術件(8);第1驅動馬達(12),驅動按摩構件(7);及第2驅動馬達(42),使按摩構件(7)於上下方向移動;且將第1驅動馬達(12)和第2驅動馬達(42)鄰接配置;而且,在底視圖中,將第1驅動馬達(12)和第2驅動馬達(42)配設成沿左右方向部分重疊,且配設成沿前後方向部分重疊;在底視圖中,驅動按摩構件(7)的驅動旋轉軸(20)係貫通第1驅動馬達(12)和第2驅動馬達(42)的前後方向非重疊部分,且以部分重疊的方式配設於第1驅動馬達(12)。1‧‧‧板型按摩機2‧‧‧外殼(靠背部)3‧‧‧底座板4‧‧‧被覆板5‧‧‧開口部6‧‧‧按摩機構7‧‧‧按摩構件8‧‧‧施術件9‧‧‧殼體10‧‧‧揉按按摩機構11‧‧‧揉按驅動部12‧‧‧揉按驅動馬達(第1驅動馬達)22‧‧‧齒輪23‧‧‧變換部40‧‧‧捶敲按摩機構70‧‧‧上下移動機構80‧‧‧小齒輪81‧‧‧板片82‧‧‧軌道構件85‧‧‧齒條
