The invention provides an external force damage prevention protective system, which comprises a detection sensor, a controller and an image collector, wherein the detection sensor comprises a signal output terminal, and is used for detecting whether an object enters a monitored region or not; the controller comprises a signal input terminal and a control signal output terminal, and the signal input terminal is connected with the signal output terminal of the detection sensor; and the image collector comprises a control signal receiving terminal, and the control signal receiving terminal is connected with the control signal output terminal. By applying the external force damage prevention protective system, the detection sensor feeds back information to the controller when detecting that a suspicious object enters the monitored region, and the controller controls the image collector to collect field images, thereby effectively solving the problem of difficult evidence obtaining in the prior art.