Sudden landslide early warning system

The invention provides a sudden landslide early warning system, which comprises a displacement sensor, a camera, a microprocessor, a signal receiver and a prompter, wherein the displacement sensor isembedded in a to-be-detected slope body for acquiring displacement data; the microprocessor is used for judging the change of the displacement; when the microprocessor judges the detected displacementchange exceeds a pre-stored displacement change threshold, the microprocessor controls the camera to be turned on to photograph the to-be-detected slope body; the camera transmits the photographed image to the microprocessor, the microprocessor compares the difference between the photographed image and an image template to judge whether slip exists on the surface of the to-be-detected slope body,and if yes, the microprocessor controls the prompter for landslide early warning. The displacement sensor is firstly embedded for initial monitoring, image monitoring is carried out in the case of anabnormality, and the image