Study chair

The invention provides a learning chair which comprises chair legs, a supporting rod, a seat frame, a lifting sliding part, a chair back and a horizontal pushing connecting sleeve part used for adjusting the sitting depth and the sitting posture, and the chair back is fixedly connected with the lifting sliding part through the horizontal pushing connecting sleeve part; the horizontal pushing connecting suite comprises a horizontal pushing distance adjusting piece for adjusting the horizontal distance between the supporting rod and the chair back and a chair back self-adaptive assembly for adjusting the radian of the chair back; one end of the horizontal pushing distance adjusting piece is fixed to the end, close to the chair back, of the lifting sliding piece, and the other end of the horizontal pushing distance adjusting piece is fixed to the chair back through the chair back self-adaption assembly; one end of the chair back self-adaptive assembly is fixed at one end, far away from the lifting sliding part,