An electronic device comprising: at least one communication circuit; a first pad including a first electrode and a second electrode, the first electrode being coated with a catalyst associated with first biometric information, the first and the second electrode having a cylindrical shape and the second electrode being located inside the first electrode; a second pad including at least a third electrode; a voltage application means coupled between a switch and the second electrode; a current measurement means (1032, 1033) coupled between the switch and the second electrode; a low pass filter and a voltmeter coupled between the second electrode and the third electrode; the switch configured to connect the voltage application means and the current measurement means (1032, 1033) to the first electrode or to the third electrode; and a processor configured to control the at least one communication circuit, the first pad, and the second pad, wherein the processor is configured to: obtain the first biometric information, by measuring an electric current induced by applying a first specified voltage between the first electrode and the second electrode using the current measurement means, obtain second biometric information, different from the first biometric information, by measuring a voltage difference between the second electrode and the third electrode, using the voltmeter, apply a second specified voltage between the second electrode and the third electrode, and obtain third biometric information, different from the first and second biometric information, by measuring an electric current between the second and third electrodes (362, 371) to which the second specified voltage is applied, using the current measurement means (1032, 1033), wherein the first, second and third biometric information are different from each other. at least one communication circuit; a first pad including a first electrode and a second electrode, the first electrode being coated with a catalyst associated with first biometric information, the first and the second electrode having a cylindrical shape and the second electrode being located inside the first electrode; a second pad including at least a third electrode; a voltage application means coupled between a switch and the second electrode; a current measurement means (1032, 1033) coupled between the switch and the second electrode; a low pass filter and a voltmeter coupled between the second electrode and the third electrode; the switch configured to connect the voltage application means and the current measurement means (1032, 1033) to the first electrode or to the third electrode; and a processor configured to control the at least one communication circuit, the first pad, and the second pad, wherein the processor is configured to: obtain the first biometric information, by measuring an electric current induced by applying a first specified voltage between the first electrode and the second electrode using the current measurement means, obtain second biometric information, different from the first biometric information, by measuring a voltage difference between the second electrode and the third electrode, using the voltmeter, apply a second specified voltage between the second electrode and the third electrode, and obtain third biometric information, different from the first and second biometric information, by measuring an electric current between the second and third electrodes (362, 371) to which the second specified voltage is applied, using the current measurement means (1032, 1033), wherein the first, second and third biometric information are different from each other. obtain the first biometric information, by measuring an electric current induced by applying a first specified voltage between the first electrode and the second electrode using the current measurement means, obtain second biometric information, different from the first biometric information, by measuring a voltage difference between the second electrode and the third electrode, using the voltmeter, apply a second specified voltage between the second electrode and the third electrode, and obtain third biometric information, different from the first and second biometric information, by measuring an electric current between the second and third electrodes (362, 371) to which the second specified voltage is applied, using the current measurement means (1032, 1033), wherein the first, second and third biometric information are different from each other.