An image integrated warning system for a vehicle, comprising: at least four camera units for taking real images respectively from a surrounding of the vehicle divided into equal parts at different directions; an image stitching module electrically connected to the camera units and used to stitch and integrate the real images into an aerial vehicle surrounding real image; an image identification module electrically connected to the image stitching module and used to track and compare the vehicle surrounding real image and to identify an obstacle adjacent to the vehicle and to output an identification message; at least four sensing units for transmitting sensing waves toward stitching directions of the real images respectively and outputting sensing messages according to return waves; an image integration module electrically connected to the image stitching module, the image identification module and the sensing units, and having a predefined virtual alert range to be integrated into the vehicle surrounding real image; and a display unit electrically connected to the image integration module and used to display an integrated vehicle surrounding real image; characterized in that the virtual alert range surrounds the vehicle and includes a plurality of virtual sections, and each one of the virtual sections configured to change into a warning section based on the identification message or each one of the sensing messages; wherein the virtual alert range is divided into the virtual sections based on a direction and a distance of the vehicle; wherein the virtual sections refer to colorless sections, and each one of the warning sections is changed into a red section, a yellow section or a green section respectively; wherein the warning sections have increasing distances from the vehicle displayed in the aerial vehicle surrounding real image and are changed into the red section for the smallest distance from the vehicle, the green section for the greatest distance from the vehicle or the yellow section for a medium distance between said red and green sections (721, 723). at least four camera units for taking real images respectively from a surrounding of the vehicle divided into equal parts at different directions; an image stitching module electrically connected to the camera units and used to stitch and integrate the real images into an aerial vehicle surrounding real image; an image identification module electrically connected to the image stitching module and used to track and compare the vehicle surrounding real image and to identify an obstacle adjacent to the vehicle and to output an identification message; at least four sensing units for transmitting sensing waves toward stitching directions of the real images respectively and outputting sensing messages according to return waves; an image integration module electrically connected to the image stitching module, the image identification module and the sensing units, and having a predefined virtual alert range to be integrated into the vehicle surrounding real image; and a display unit electrically connected to the image integration module and used to display an integrated vehicle surrounding real image; characterized in that the virtual alert range surrounds the vehicle and includes a plurality of virtual sections, and each one of the virtual sections configured to change into a warning section based on the identification message or each one of the sensing messages; wherein the virtual alert range is divided into the virtual sections based on a direction and a distance of the vehicle; wherein the virtual sections refer to colorless sections, and each one of the warning sections is changed into a red section, a yellow section or a green section respectively; wherein the warning sections have increasing distances from the vehicle displayed in the aerial vehicle surrounding real image and are changed into the red section for the smallest distance from the vehicle, the green section for the greatest distance from the vehicle or the yellow section for a medium distance between said red and green sections (721, 723).