Data monitoring application using cortex M3 Core processor the authors combine the mature technology of Web with the embedded and fully utilize the advantages of both. The System can complete the remote monitoring and maintenance operations of equipment through the network using Web browser. Through introducing Internet into control network, it is possible to break through the spatial temporal restriction of traditional control network and effectively achieve remote sensing, monitoring and real-time controlling for equipments. Communication systems and especially the Internet are playing an important role in the daily life. Using this knowledge many applications are imaginable.