2. In the column of health data, the data that iPhone can collect mainly focuses on "fitness data", click to enter.
3. Next, you can see the corresponding data list classification. Take clearing the data of "climbing stairs" as an example.
4. In the information list of the climbed floor, please click the "Show all data" option.
5. Next, you can see that all the data are displayed upstairs. If you want to delete the data, please click the Edit button.
6. After that, you will enter the editing state. If you want to delete the data of a row separately, please click the minus button on the left, and then click the Delete button.
7. If you want to delete all the data, please click the "Clear All" button at the top left.
8. Finally, click the "Delete All" button to clear all cached data here.
9. For other health data, such as steps, distance, etc. You can also clear your saved data in the same way.