A kind of heartbeat pen,Include: a handwriting,System comprising a penholder,One holds a pen portion and a pen core； One blood oxygen concentration measurement unit,System's setting what holds a pen portion,To measure one of user blood oxygen concentration data,One processing unit,In system's setting what penholder,It is electrically connected to blood oxygen concentration measurement unit,Processing analysis is carried out to extract a plurality of physiological parameter datas to blood oxygen concentration data； One storage element,System's setting what penholder is interior and is electrically connected to processing unit,A plurality of physiological parameter datas are stored with record； And a display unit,System setting what penholder surface is simultaneously electrically connected to processing unit,To show a plurality of physiological parameter datas.一種心跳筆，包含：一筆體，係包含一筆桿、一握筆部以及一筆芯；一血氧濃度量測單元，係設置於握筆部，用以測量一使用者之一血氧濃度數據，一處理單元，係設置於筆桿內，電性連接至血氧濃度量測單元，對血氧濃度數據進行處理分析以萃取出複數個生理參數數據；一儲存單元，係設置於筆桿內並電性連接至處理單元，以記錄儲存複數個生理參數數據；以及一顯示單元，係設置於筆桿表面並電性連接至處理單元，以顯示複數個生理參數數據。
