The invention provides a chair for stretching. The chair is provided with a seat part at the specific height and a backrest part which supports the back of a person by the back side, wherein the backrest part utilizes the upper side of the backrest part to rotate to enable the specific part shaft at the lower side of the backrest part to be supported at an assembly for the chair for stretching； and the specific part of the backrest part is supported on the assembly for the chair for stretching by the shaft is far way the backrest in the specific distance in the opposite direction between the backrest surface and the seat part side. The chair for stretching solves the problem that super degree of load is applied to the specific part when the chair is used to stretch the dorsal muscles.
