This text introduce embedded systematic development and application, definition , characteristic , classification , practical application of embedded system (include the hardware and software), typical embedded system and application prospect forecast.

• 本文介绍了嵌入式系统发展和应用,嵌入式系统的的定义、特点、分类、实际应用(包括硬软件),典型的嵌入式系统和应用前景展望。