在JDF工作流程中，商务信息沟通方法通过PrintTalk规范定义。在介绍PrintTalk商业对象和结构的基础上，通过为一印刷作业建立“请求报价”这一商业对象信息沟通的有效文档为例，阐述了JDF工作流程中商务信息沟通的具体实现过程，总结了数字化印刷工作流程中商务信息沟通的一般模式。

In JDF workflow, the way of business information communication was defined by PrintTalk specification. The business objects and structure of PrintTalk was introduced. The business information communication implementation process of JDF workflow was described with an example of encoding an effective document for a print job to send the request for quote business object. The general mode of business communication in digital print workflow was summarized.