Method for achieving mobile banking function

The invention belongs to the technical field of mobile banking, and particularly relates to a method for achieving the mobile banking function. According to the method, existing instant messaging software is connected with a banking business public account number, and the public account number is on behalf of a customer to be in business connection with a bank only by simply inputting the business to be handled. In this way, the mobile banking business has the better interactivity, the business input is reduced, and inputting is more convenient; meanwhile, by means of the method, client software does not need to be installed, the banking business can be handled only by using the existing instant messaging software, the method can be convenient, an existing instant messaging software user group can be used, and the banking business can be expanded.