Security has becoming an important issue everywhere. Home security is becoming necessary now a days as the possibilities of intrusion are increasing day by day. Safety from theft, leaking of raw gas and fire are the most important factor of home security system gives the signals in terms of alarm. However, the GSM (Global System For Mobile Communication) based security systems provides enhanced security as whenever a signal from sensor occurs. A text message actions. This project suggests two ways for house security system. The first system uses sensors. Whenever there is a motion, vibration, fire accidents it gives security alert in terms of sending SMS which uses GSM-GPS module(sim900) is delivered to owner. The second system receives commands from registered user mobile and activates respective relay drivers (Lighting circuit, Anaesthetic gas dispenser, Buzzer).