As computer networks and embedded Internet technology rapid development of embedded systems in industrial production and daily life have been widely used. Embedded real-time operating system and dedicated hardware structure of Internet users around as long as the user can at any time, any place using the system remote monitoring and control of embedded devices. Embedded system is an intelligent system that has the capability of processing, monitoring and controlling. It may comprise of sensors, microcontrollers, etc. The TCP/IP protocol is a widely used standard for modern digital communication.