1. Open the health APP on your mobile phone and click the heart in the list on the browse page.
2. Click on the heart rate, click Settings, and enter the date of birth and other information to complete the settings.
3. According to the page test method, put your finger on the camera and time light on the back of the phone and keep this posture until the test is over. Heart rate is clinically defined as the number of heartbeats per minute. Normal heart rate is called sinus heart rate, which is the psychology formed by the impulse from sinoatrial node in the heart, and the frequency is 60- 100 times per minute.