How to turn off Huawei's mobile phone "step counting"?

According to the screenshot you provided, it can be confirmed that the "heart-shaped" icon is the icon displayed by Huawei's "Sports Health" APP running in the background.

Turn off Huawei's mobile phone "sports health"

1. Click the "Social Life" folder, find "Sports Health", and click Open.

2. In "Sports Health", click "My".

3. In the "My" interface, click "Settings" to enter the setting interface.

4. In the "Settings Interface", click "Notification Bar Message".

5. In the "Notification Bar Message" interface, turn off the "Real-time Push Steps" option.