Safe Internet surfing method and device based on image processing

The invention discloses a safe Internet surfing method and device based on image processing. The method comprises the steps of obtaining an image in to-be-browsed content; performing gray processing on the image; calculating the gray value of the image, comparing the calculated gray value with the gray value in the built-in list, forbidding accessing the to-be-browsed content if the matched gray value can be obtained through comparison, and otherwise, allowing accessing the to-be-browsed content; wherein gray values of a plurality of images forbidden to be browsed are stored in the built-in list. According to the method, gray processing is carried out on the image of the to-be-browsed content, the gray value is calculated, the built-in list is used for comparing the gray value, whether theto-be-browsed content is forbidden to be browsed is judged, and if yes, the to-be-browsed content is forbidden to be accessed. The judgment mode is convenient and feasible, and browsing of bad information can be effectively