A blood pressure measurement device is provided. The blood pressure measurement devices comprises a measurement component for measuring blood pressure, a displaying component for display simultaneously at least two sets of blood pressure measurement data, a measurement state control component for recording and storing at least one measurement state related to the measurement of the blood pressure, and an interface component that comprises a bi-direction multifunctional port, for exchanging blood pressure data measured between the blood pressure measurement device and at least one external device.一種血壓量測裝置,包括有一測量元件、一顯示元件、一測量狀態控制元件以及一介面元件。測量元件係用來測量血壓;顯示元件係用來同時地顯示在不同時間測得之至少兩組血壓測量資料;測量狀態控制元件用來紀錄並儲存有關血壓測量之至少一測量狀態;介面元件包括一雙向多功能埠口,用來於血壓量測裝置以及至少一外部裝置之間交換血壓資料。血壓量測裝置‧‧‧300測量元件‧‧‧302操作元件‧‧‧304儲存元件‧‧‧306顯示元件‧‧‧308中央處理單元‧‧‧310介面元件‧‧‧312AUX埠口‧‧‧322雙向多功能埠口‧‧‧324無線通訊介面‧‧‧326可移除記憶體裝置‧‧‧328