Enter the chart summary page of health application to summarize, find the "medical emergency card" section on the far right from the menu bar at the bottom of the interface, and click to enter the next step.
Enter the information interface of medical emergency card, find the "Edit" button in the upper right corner of the page and click to enter the next step.
At this point, the interface is editable. We pull the page down to the bottom, find the column "Delete medical emergency card", and click to enter the next step.
A confirmation box will pop up at the bottom. We found the big button "Delete medical emergency card" in the page, and click it. All deletion operations have been completed.