The wide spread of the Internet makes electronic business to flourish. It also directly impacts business behavior and the way of data and information exchange between business. Since XML will be the trend for information exchange between business. Funds flow in electronic business affecting by many outside factors, such as security and regulation, is a specialized field. "The Taiwan Association of Banks" has standardized financial XML (FXML) format for financial exchange. This study also includes a planning system architecture based on the FXML standardized.