The MCU function make a spurt of progress，which is perfectly suitable for various controller core. However，SCM storage components is the important aspect to restrict its development. The design is to combine SDRAM and MCU as the main control hardware，to apply the transmission module，and to use a liquid crystal display components as a data output device，then，apply it to intelligent sleep arousal system in daity life. This essay discusses the application value of the simple model in th daily life.