A wearable blood pressure detecting device is provided. The wearable blood pressure detecting device includes a pulse detecting module, a pre-processing unit, a memory, a model selecting unit, and a blood pressure calculating unit. The pulse detecting module is utilized for generating a pulse waveform. The pre-processing unit is utilized for generating at least one pulse characteristic value based on the pulse waveform. The memory is utilized for storing at least two blood pressure models corresponding to different pulse characteristic value ranges. The model selecting unit is utilized for selecting the corresponding blood pressure model based on the pulse characteristic value. The blood pressure calculating unit is utilized for calculating the blood pressure value by using the selected blood pressure model.一穿戴式血壓量測裝置，包含一脈搏偵測模組、一預處理單元、一記憶單元、一模型選擇單元與一血壓計算單元。其中，脈搏偵測模組係用以產生一脈搏波型。預處理單元係用以擷取脈搏波型，以產生至少一脈搏特徵值。記憶單元係儲存有至少二組血壓模型。這些血壓模型係對應至不同之脈搏特徵值範圍。模型選擇單元係用以依據前述至少一脈搏特徵值選擇對應之血壓模型。血壓計算單元係用以套用選定之血壓模型以計算血壓值。
