The invention relates to an exercise chair, in particular to an exercise chair for a pregnant woman. The provided exercise chair for the pregnant woman aims at achieving the technical purposes that blood circulation of the shanks and arms of the pregnant woman can be effectively promoted, fetal development and the health of the pregnant woman can be promoted, and the pregnant woman can exercise ina comfortable manner. The exercise chair for the pregnant woman comprises a chair body, support legs, arc-shaped rails, pressing plates, first sliding blocks, connecting plates, first springs, fixedpulleys, pull wires, protrusions, first movable rods, contact balls and the like; the support legs are arranged at the four corners of the bottom of the chair body respectively, the arc-shaped rails are rotatably connected to the front and rear sides of the right side face of the chair body respectively, and the pressing plates are connected to the outer bottoms of the arc-shaped rails. Accordingto the chair, second arc-shaped plates are rotated by the pregnant woman so that the second arc-shaped plate can clamp the shanks of the pregnant woman to prevent the shanks from loosening; the pregnant woman swings the shanks up and down, so that massage balls constantly move up and down, the shanks can be effectively massaged, the blood circulation of the shanks can be promoted, and the health of pregnant woman is promoted.