Disclosed is a scratch and rub prevention monitoring system for an automobile. The system comprises a strain-type pressure sensor module, ultrasonic radar sensor modules, camera shooting modules, a communication module and a control module, and the control module is connected with the strain-type pressure sensor module, the ultrasonic radar sensor modules and the camera shooting modules; the strain-type pressure sensor module is arranged on the inner surface of a casing of the automobile and used for detecting deformation of the casing structure; the ultrasonic radar sensor modules are arranged in through holes in the surface of the casing of the automobile, the automobile is provided with a plurality of through holes for the ultrasonic radar sensor modules and the camera shooting modulesto be installed in, and each through hole is internally provided with one ultrasonic radar sensor module and one camera shooting module; the control module is provided with a chip and the storage battery; the communication module is a GSM communication module. The system has the advantages that the strain-type pressure sensor module is used for detecting the deformation of the casing surface, theultrasonic radar sensor modules are used for identifying surrounding obstacles to avoid misjudgment, and the GSM communication module can notify a user in time.