The chair provided by the invention has a mechanism which can easily make the massage mechanism which is received in the back part and butted with the back part of the user when the massage action is applied to the back part of the user only.The chair (1) of the invention has a seat (2)；The back part (3) which is arranged at the back of the seat part (2) and can support the back of the user；And built into the back (3).And a massage mechanism (17) which applies a massage action to the back of the user seated on the seat part (2),Among them,A bracket (11) is arranged inside the back (3).The massage mechanism (17) is arranged on the bracket (11) through the moving mechanism (28).The moving mechanism (28) is configured to move the massage mechanism (17) from the position built in the back (3) to the position in front of the back (3) and to massage the user's back.本發明提供的椅子具有能夠僅在對使用者背部施加按摩動作時，容易地使收容在靠背部內部的按摩機構與使用者背部抵接的機構。本發明的椅子(1)具有座部(2)；配置在座部(2)的後部且被設置能夠支撐使用者背部的靠背部(3)；以及內置在靠背部(3)中，且對就座於座部(2)上的使用者的背部施加按摩動作的按摩機構(17)，其中，在靠背部(3)的內部設有支架(11)，按摩機構(17)經由移動機構(28)配置在支架(11)上，移動機構(28)構成為能夠使按摩機構(17)從內置在靠背部(3)中的位置移動至靠背部(3)的前方且能夠對使用者背部進行按摩的位置。
