One kind judging system to monitor the physiological status of sportsman's physiological status, is suitable for a sportsman, it includes: a physiological signal sensing unit, including a heart rate variability degree sensing element to sense sportsman's heart rate degree of variation signal； One operation processing unit couples with the physiological signal sensing unit, to receive the heart rate variability degree signal, and obtains sportsman's parameter group accordingly； And a display unit, it receives sportsman's parameter group and shows it accordingly.一種用以監測運動員生理狀態之生理狀態判斷系統，適用於一運動員，其包含：一生理訊號感測單元，包括一用以感測該運動員心率變異度訊號之心率變異度感測元件；一運算處理單元，與該生理訊號感測單元耦接，以接收該心率變異度訊號，並據以得到一運動員參數組；及一顯示單元，接收該運動員參數組並據以顯示之。
