An embodiment of the present application provides an image analysis method and device, and the method includes: receiving target information sent by a target image acquisition device; wherein the target information includes at least: a first image acquired by the target image acquisition device, and the identification information of the target image acquisition device; obtaining target area information corresponding to the identification information of the target image acquisition device according to a correspondence between pre-stored identification information of each image acquisition device and respective area information; in the first image, determining a second image corresponding to the target area information, and analyzing the second image. In the embodiment of the present application, only the second image including a specific area of the first image can be analyzed, the size of the second image is smaller when comparing with the first image, therefore the efficiency of analyzing an image can be increased.