An information acquisition device for a percussor cup is disclosed. The percussor cup has a cup body and a clamping part. The cup body has a hollow part and an opening. The information acquisition device comprises: a pressure sensor with one end fixed at the clamping part and having a sensing part for sensing the air pressure in the hollow part during percussion of the cup body and generating an output pressure signal and a frequency signal； and a display electrically connected to the pressure sensor for receiving pressure signals and frequency signals and converting the pressure signals into a numeric display of percussion pressure and converting the frequency signals into a numeric display of percussion frequency, thereby constituting the present invention.一種應用於拍痰器之資訊擷取裝置，前述拍痰器具有一杯體及一夾持部，杯體具有一中空部與一開口，而資訊擷取裝置包括：一壓力感測器，以一端固定在夾持部，且壓力感測器具有一感測部，並以感測部感測杯體進行拍痰時於中空部內之氣體壓力，並產生一可輸出之壓力訊號與一頻率訊號；一顯示器，電性連接壓力感測器以接收壓力訊號與頻率訊號，並對壓力訊號轉換為一拍擊壓力之數值顯示，且對頻率訊號轉換為一拍擊頻率之數值顯示，藉此構成本發明。
