Abstract: SMS remote control system utilizes the existing GSM SMS service with low-cost hardware equipment to ereate a system for remote monitoring and remote control. The system can be controlled and monitored via SMS from anywhere that is covered by the USM service. Devices that connect to the system can be turn on or off by sending SMS to　the system. Meanwhile the status of the system can be requested via SMS. The system can also be programmed to send　specific SMS to predetermined number if any event or condition is triggered. Utilizing GSM/ GPRS MODEM main control system and one wireless modem, the system could establish a control network that is more from a master. Furthermore makes the network of Smart Home System come true.

Key words: Remote control, SMS, Ah instruction, SCM, Switching system, Smart home system, Internet of hhings