A system for monitoring a sitting posture includdes a first pressure sensor for sensing a pressure applied to a chair by the left thigh, a second pressure sensor for sensing a pressure applied to the chair by the right thigh, a third pressure sensor for sensing a pressure applied to the chair by the left buttock, a fourth pressure sensor for sensing a pressure by the right buttock, a fifth pressure sensor for sensing a pressure applied to the chair by the left back, and a sixth pressure sensor for sensing a pressure applied to the chair by the right back a control unit for converting pressure values sensed by the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor and a monitoring unit for storing and displaying the pressure digital data.
