Automatic alarming and fire extinguishing system

The utility model discloses an automatic alarming and fire extinguishing system, which comprises a fire extinguishing spray head device arranged in an indoor space; the fire extinguisher main body is located outside the indoor space, and a fire extinguishing agent conveying pipeline is connected between the fire extinguisher main body and the fire extinguishing spray head device; the monitoring unit is arranged in the indoor space; and the controller is electrically connected with the fire extinguisher main body and the monitoring unit respectively. According to the utility model, the temperature information and the field picture information of the indoor space are obtained through the monitoring unit, and the controller controls the fire extinguisher main body to automatically extinguish fire after a fire disaster is judged according to the temperature information and the field picture information; therefore, a fire extinguishing program can be automatically started through the controller to extinguish fire