1. First, please activate the screen that activates the Iwatch activity, and then press the button to return to the main screen application interface.

2. Then find the "Health Activity" application icon on the main screen and click Open.

3. Next, we will see the progress of the healthy activity cycle in one day. At this time, pressing the screen hard can activate force touch pressure sensing.

4. Then, you can see the option of "Change campaign target" and click Continue.

Finally, you can reset the calories you burn every day.