An electronic device comprising: a display; a printed circuit board, PCB, disposed below the display and having a first surface facing the display; a biometric sensor disposed on the first surface of the PCB and configured to measure a biometric signal related to a heartbeat; a pressure sensor disposed below the display and configured to generate a pressure signal based on measuring a pressure applied to the display; a processor operatively connected to the display, the biometric sensor, and the pressure sensor; and a memory operatively connected to the processor, wherein the memory stores instructions that, when executed, cause the processor to: measure, by the biometric sensor, the biometric signal; measure, by the pressure sensor, the pressure applied to the display; receive the biometric signal from the biometric sensor and receive the pressure signal from the pressure sensor; calculate biometric information related to a heartbeat by interlinking the biometric signal and the pressure signal; and output the calculated biometric information to the display, wherein the instructions are configured to cause the processor to display a visual guide (730, 830) through the display prompting a user to gradually increase or decrease the pressure applied to the display, characterized in that, the visual guide (730, 830) is displayed on an area of the display including a perimeter of an area pressed by the user, and the visual guide (730, 830) comprises: a reference guide (731, 831) including display of a first shape that changes over time to prompt the user to gradually increase or decrease the pressure at a preconfigured degree; and a recognition guide (732, 832) including display of a second shape that changes according to the degree of the pressure applied to the display, wherein the second shape of the recognition guide (732, 832) is displayed in a shape corresponding to the first shape of the reference guide (731, 831). a display; a printed circuit board, PCB, disposed below the display and having a first surface facing the display; a biometric sensor disposed on the first surface of the PCB and configured to measure a biometric signal related to a heartbeat; a pressure sensor disposed below the display and configured to generate a pressure signal based on measuring a pressure applied to the display; a processor operatively connected to the display, the biometric sensor, and the pressure sensor; and a memory operatively connected to the processor, wherein the memory stores instructions that, when executed, cause the processor to: measure, by the biometric sensor, the biometric signal; measure, by the pressure sensor, the pressure applied to the display; receive the biometric signal from the biometric sensor and receive the pressure signal from the pressure sensor; calculate biometric information related to a heartbeat by interlinking the biometric signal and the pressure signal; and output the calculated biometric information to the display, wherein the instructions are configured to cause the processor to display a visual guide (730, 830) through the display prompting a user to gradually increase or decrease the pressure applied to the display, characterized in that, the visual guide (730, 830) is displayed on an area of the display including a perimeter of an area pressed by the user, and the visual guide (730, 830) comprises: a reference guide (731, 831) including display of a first shape that changes over time to prompt the user to gradually increase or decrease the pressure at a preconfigured degree; and a recognition guide (732, 832) including display of a second shape that changes according to the degree of the pressure applied to the display, wherein the second shape of the recognition guide (732, 832) is displayed in a shape corresponding to the first shape of the reference guide (731, 831). measure, by the biometric sensor, the biometric signal; measure, by the pressure sensor, the pressure applied to the display; receive the biometric signal from the biometric sensor and receive the pressure signal from the pressure sensor; calculate biometric information related to a heartbeat by interlinking the biometric signal and the pressure signal; and output the calculated biometric information to the display, wherein the instructions are configured to cause the processor to display a visual guide (730, 830) through the display prompting a user to gradually increase or decrease the pressure applied to the display, characterized in that, the visual guide (730, 830) is displayed on an area of the display including a perimeter of an area pressed by the user, and the visual guide (730, 830) comprises: a reference guide (731, 831) including display of a first shape that changes over time to prompt the user to gradually increase or decrease the pressure at a preconfigured degree; and a recognition guide (732, 832) including display of a second shape that changes according to the degree of the pressure applied to the display, wherein the second shape of the recognition guide (732, 832) is displayed in a shape corresponding to the first shape of the reference guide (731, 831). a reference guide (731, 831) including display of a first shape that changes over time to prompt the user to gradually increase or decrease the pressure at a preconfigured degree; and a recognition guide (732, 832) including display of a second shape that changes according to the degree of the pressure applied to the display, wherein the second shape of the recognition guide (732, 832) is displayed in a shape corresponding to the first shape of the reference guide (731, 831).