ASTRO是数字IC设计后端的自动布图工具，本文是基于实际设计实例，在英文应用笔记理解基础之上的工具使用心得和总结。-ASTRO is the back-end automated digital IC design layout tool, this article is based on the actual design examples, application notes in English on the basis of the tools used to understand and summarize the experience.