工业自动化的快速发展给化工企业实施综合自动化创造了良好的基础条件，文章提出了流程工业企业综合自动化的三层框架式结构，并在概念上对其进行了描述，对实施综合自动化过程中必须重视的关键问题进行了讨论。根据在实际化工企业实施综合自动化过程中的体会，简介了一项工程实例。

The rapid development of industrial automation has brought favorable requirements for the chemical enterprises to carry out comprehensive automation. This article brings forward the three-strata structure of the comprehensive automation, describes it in concepts, and discusses the key problems which should be paid attention to during its process. Finally, an example project is briefly introduced on the basis of the understanding which is acquired through practical implementation of comprehensive automation for chemical enterprises.