Bank ICT business refers to information notification business. Postal savings users have changes in bank interest rates, maturity of loans, maturity of time deposits, replacement of credit cards due, credit card overdraft, credit card payment, new banking services, etc. Savings users will get information notification service, in addition, they will also provide some special services, foreign exchange information service and securities information notification.

At present, no matter Alipay or bank card, it needs some information notification to ensure that the owner can know the changes of his own funds and accounts at any time, as well as the information inquiry of the accounts. Moreover, in order to facilitate the smooth development of bank work and the contact and exchange between banks and cardholders, it is very necessary to open real-time information notification and information inquiry services.