The invention discloses a multifunctional portable electronic device, it includes a housing, a touch panel and a detect module, the touch panel is fixed on the housing, the detect module is fixed between the housing and the touch panel. The detect module includes a center control unit, a detect pole and a conduct layer, once the user press the detect pole, the pole will contact with the conduct layer, then the current will form a loop, then the center control unit can get the data and calculate the fat of the user. The invention still discloses a method of detecting fat with this multifunctional portable electronic device.本發明提供一種多功能可攜式電子裝置,其包括一殼體、一觸控屏及一測量模組,前述觸控屏裝設於該殼體上,該測量模組夾設於前述觸控屏及殼體之間,用於實現體脂測量功能,該測量模組包括一設於殼體內部之中央控制單元、一設於觸控屏表面之測量電極及一設於觸控屏內部之傳導層,被測者從觸控屏表面按壓該測量電極,使其與傳導層接觸而形成一藉由被測者身體之測量迴路,中央控制單元採集該測量迴路中之參數,藉以計算出被測者之體內脂肪含量。本發明還提供一使用該多功能可攜式電子裝置進行體脂測量之方法。23‧‧‧傳導層231‧‧‧傳導電極232‧‧‧接觸片233‧‧‧開口24‧‧‧接觸電極31‧‧‧保護層311‧‧‧容置孔32‧‧‧觸控層321‧‧‧第一ITO導電層322‧‧‧間隔層323‧‧‧第二ITO導電層324‧‧‧有機玻璃層
