At present, Ctrip uses credit card to pay, and there is no card payment. Card-free credit card payment service (CNP(Card Not Present) transaction) is a widely used payment method in the international market at present, and CNP transaction is introduced in detail on Visa and Master websites.

Specific safety operations are as follows:

1. When the consumer chooses the credit card-free payment service, it means that the authorized merchant has the right to deduct the money corresponding to the order from the credit card account provided by him.

2. There is no need to open the credit card online payment function;

3. No password is required;

4. No signature is required;

5. Get rid of the limitation that general electronic payment depends on the network, which not only makes consumers pay more conveniently, but also improves the transaction efficiency of merchants. At present, this payment method has been widely used in domestic real-name registration system consumer industry.

Major banks in China have strict evaluation criteria for merchants applying for credit card confidential payment services, and only merchants who meet the safety conditions will be approved to open payment services. At the same time, when applying for bank authorization, merchants must provide credit card related information such as credit card number, validity period and verification code for verification according to the requirements of the bank.