How to get the number of electronic social security card

Hello, dear, how to get the number of the electronic social security card on the self-service machine: click "Make an appointment to get the triage number" on the touch screen of the hospital outpatient self-service machine; 2. Open the corresponding APP→ click "My" → click "My License" → click "Medical Insurance Card" → open the QR code of "Scan Code for Medical Treatment"; 3. Scan code identification in the lower right corner of the self-service machine-medical code identification succeeded-doctor selection-number selection succeeded; 4. When seeking medical treatment, please show the QR code of "Scan Code for Medical Treatment".