CAN总线作为现场总线的一种，在汽车、船舶、航天、工业测控与工业自动化等领域已经得到广泛的应用。CAN总线开发流程中，需要对所开发的CAN总线系统进行节点以及总线系统的验证与确认，本文主要介绍了网络测试验证的内容，实现测试的工具与测试技术。-CAN bus as a fieldbus, in the automotive, shipbuilding, aerospace, industrial monitoring and control and industrial automation and other fields has been a wide range of applications. CAN Bus development process, it is necessary for the development of CAN bus system and bus system node validation and confirmation, this article introduces the network test to verify the content, tools and realize testing testing technology.