1. Confirm that your Apple phone supports NFC function: Only Apple devices that support NFC function can add access cards. At present, i Phone 7 and above all support NFC function.

2. Open the wallet application: find and open the wallet application on the mobile phone's main screen. This is an application that stores credit cards, electronic tickets and access cards on Apple phones.

3. Click the "+"button: Click the "+"button in the upper right corner of the wallet application.

4. Find and select the access card: In the "Add Access Card" interface, if your access card supports NFC addition, you can see the "Add Access Card" option on the screen. Click this option.

5. Scan the access card: Put the access card near the NFC sensing area of the Apple phone, and the phone will automatically scan the information on the access card.

6. Follow the prompts: According to the prompts on the screen, you may need to enter the details of the access card, such as name and access card number. According to the requirements of access control system.

7. Complete the setup: After the setup is completed, you will see the added access card in the Wallet application. You can click on the access card to perform related operations, such as entering the access control system or switching access cards.