This paper points out the current situations of Microwindows (Latest Version 0.9) after expounding the actuality of embedded GUI applications, and analyses the Microwindows thoroughly from the angles of architecture and API, combined with its source code.

• 本文首先阐述Embedded GUI的应用现状；指出Microwindows(最新版本0.；9)的优势所在; 然后；分别从体系结构和应用编程接口的角度；结合源代码；深入分析了Microwindows;