By obtaining a vehicle image and then obtaining an license plate number image therein, and determining whether the license plate of the vehicle is tampered according to the license plate number image and a preset standard license plate number image, the apparatus for identifying license plate tampering of the disclosure realizes automatic identification of a tampered license plate number without human laboring, thus saving time and labor, reducing human cost, and further improving precision and reliability in identification of tampered license plates.

The first identifier 2 is provided with standard license plate number images of various vehicles therein, and is configured to divide the license plate number image into different regions according to characters, compare a color, form and texture of a character in each of the regions with a color, form and texture of a character in the preset standard license plate number image, determine the license plate of the vehicle to be a tampered plate when at least one of the color, form and texture of the character in any of the regions is different from the corresponding at least one of the color, form and texture of the character in the standard license plate number image, and determine the license plate of the vehicle to be a normal plate when all of the color, form and texture of the character in each of the regions are the same with the color, form and texture of the character in the standard license plate number image.