An electronic device and a method for measuring heart rate are disclosed. A heart rate measuring method of an electronic device, according to the present invention, comprises the steps of: capturing an image including a user's face； grouping the user's face, included in the image, into a plurality of regions including a plurality of pixels of similar colors； acquiring an information on a user's heart rate by inputting information on the plurality of grouped regions to an artificial intelligence learning model； and outputting the acquired information on heart rate. Therefore, the electronic device can measure the user's heart rate more accurately through the captured image.
