1. First, we need to input our fingerprints on our iphone/ipad, that is, touch ID.
2. Click "Touch ID and password" in "settings" to enter the fingerprint.
3. After entering the information, return to the mobile desktop and click "Alipay" to enter the software.
4. Click "my" in the lower right corner to go to the "Settings" option.
5. Click the "tool ID" button in the upper right corner (as shown in the figure below)
6. Click "account and security"-"account management" (as shown in the figure below)
7. Click "Security Center" and select "security protection tools"
8. Select "fingerprint" in the security protection tool to go to the fingerprint payment start interface.
9. Enable "fingerprint payment" and put your finger on the home key to check the fingerprint.
10. Enter your Alipay payment password in the last step. OK
11. In this way, we can use the fingerprint to complete the payment when using Alipay. Come and try it.