The invention relates to a home security protection system and a realization method thereof. The system comprises a housing, a gas concentration detection unit, a temperature detection unit, a smoke concentration detection unit, an infrared detection unit, a control unit, a data processing unit and an alarm device, wherein the gas concentration detection unit, the temperature detection unit, the smoke concentration detection unit, the infrared detection unit, the control unit, the data processing unit and the alarm device are arranged inside the housing. The gas concentration detection unit, the temperature detection unit, the smoke concentration detection unit, and the infrared detection unit are connected with the control unit and the data processing unit; and the data processing unit is connected with the alarm device. The control unit is provided with a light-operated switch, a light-operated switch control switch and a plurality of hand-operated control switches; the infrared detection unit is connected with the hand-operated control switches and the light-operated switch; and the light-operated switch control switch and the light-operated switch are connected. The temperature, smoke concentration, and gas concentration in air indoors as well as the object movement situation indoors can be monitored simultaneously; alarming can be sent to a user timely; and thus the life and property security of the user can be guaranteed.