Why does Alipay send SMS to remind the account?

That's because you turned on the SMS reminder function.

To activate SMS reminders:

1. Log in to Alipay official website and click the "Account Settings" tab in the Alipay personal information interface that opens.

2. Then, in the opened "Account Settings" tab interface, click the "Mobile Settings" option in the left navigation bar to enter.

3. Then click the "Open" button on the right side of the "SMS Authentication Service" column in the "Mobile Phone Settings" interface that opens.

4. In the new page of "Opening SMS Verification Service" that opens later, enter "Alipay Payment Password" and click the "Open Now" button.

5. In the new page of "Opening SMS Verification Service" that opens later, enter "Alipay Payment Password" and click the "Open Now" button.

Alipay (China) Network Technology Co., Ltd., established in 2004, is a domestic third-party payment platform, and is committed to providing "simple, safe, fast and convenient" payment solutions for enterprises and individuals. Since its establishment in 2004, Alipay has always regarded "trust" as the core of its products and services. It owns two independent brands, Alipay and Alipay Wallet. Since the second quarter of 2022, it has become the largest mobile payment manufacturer in the world.