A SAFE NETWORK PAYMENT SYSTEM AND SAFE NETWORK PAYMENT AUTHENTICATION METHOD

A network payment system and a safe authentication mode, includes a client, a merchant and a payment flat which connected via the internet, the payment flat is used for processing the payment information from the network, and authenticating the client and merchant, validating the validity of the transactions, after a process system of the payment flat validating that the validity of the transactions, the payment flat sending a payment request, and informing of the tow parties the payment information after the payment finished, which the characteristic in that: setting a assistant authentication system for the client identity between the payment flat and the client, said assistant authentication system connecting the client to the payment flat, and in the form of the non-internet connection, the payment flat generating the authorization code dynamically, and transmitting it to the client via the assistant authentication system for the client identity, the client entering the authorization code on the page corr