A control system for a lifting chair includes: a button (101), a sensor (102), an actuator (104) and a control circuit (103)； the button (101) is disposed on an edge of a seat back (301) of a main body (30) of the lifting chair； the sensor (102) is configured to detect whether the seat portion (303) provided on a lifting frame (20) of the lifting chair is pressed； the actuator (104) is configured to drive the lifting frame (20)； the control circuit (103) is connected to the button (101), the sensor (102), and the actuator (104) respectively； and the control circuit (103) is configured to, after the button (101) is triggered, control the actuator (104) according to a pressure condition of the seat portion (303) to drive the lifting frame (20) to adjust the posture of the main body (30).
