12306 payment does not require SMS verification.

1. When purchasing tickets in official website 12306, if you choose to pay by bank card, and the bank card has no SMS reminder function, you can complete the payment without SMS verification, but if the bank card has SMS reminder function, you need to enter SMS verification code to complete the payment.

Second, when paying for tickets in 12306 official website, if Alipay is selected to pay, and Alipay does not have SMS reminder function, then the payment can be completed without SMS verification, but if Alipay has SMS reminder function, then the payment can be completed only by inputting SMS verification code.

3. official website 12306 ticket purchasing method is as follows:

1. Log in to official website 12306 on your computer or mobile phone.

2. 12306 After entering official website, select the departure station and terminal station, and then select the travel date to search for tickets.

3. After selecting the ticket, click Submit Order, and then click Pay Now.

4. After entering the payment page, you can choose the payment method. You can pay by Fu Bao, Tenpay or bank card. For example, if you choose to use Alipay, you must enter Alipay account number and Alipay login password after selection.

5. After selecting the payment method, you can complete the ticket purchase according to the instructions on the page.