The utility model provides a chair capable of exercising the back, belongs to the technical field of chairs, and solves the problem that a user cannot be assisted in exercising due to the absence of an exercising function in the prior art. The
cushion is connected with a supporting column, the supporting column is connected with an arc-shaped frame, an arc-shaped sliding groove is formed in the back of the arc-shaped frame, a spring is arranged in the arc-shaped sliding groove, a baffle is movably arranged in the arc-shaped sliding groove, and the baffle is driven by arms to move along the arc-shaped sliding groove and extrudes the spring. A person sits on the
cushion and leans on the arc-shaped frame, both hands lean on the back of the arc-shaped frame and push the baffle to move, in the moving process of the baffle, the
thoracic cavity can be opened, the back can be stretched, muscles can be driven to enter a relaxed state, and shoulder and neck diseases such as scapulohumeral periarthritis are relieved to a certain extent; after the baffles move, the springs can be extruded to generate reverse thrust, the exercise strength is improved, the fitness equipment can be suitable for more people to use, the compressed springs can help the baffles to reset, and next exercise is facilitated.