Linkage type gynecology examination and treatment chair

The invention discloses a coordinated type obstetric chair, comprising a chassis, a chair plate and a back support. Wherein, a lifting driving mechanism is arranged between the chassis and the chair plate; the chair plate has hinge connection via the rotation shaft with the back support; a prostrate driving mechanism is mounted between the back support and the chair plate while a bearer for arranging the feet of sicker is fixed on the two sides of chair plate and coordinated with back support; and a coordination regulation mechanism is arranged on the connection part between the bearer and back support. With said design, when the back support has prostrate motion, it can adjust sicker from sitting posture to the posture needed in treatment; therefore, the doctor can process the treatment via adjusting the chair plate to right position, while the invention has simple structure and easy operation.