A method for driving a display panel includes: dividing pixels on the display panel into a plurality of pixel groups; each of the pixel groups includes an even number of pixels arranged in arrays; calculating an average gray scale value of blue sub-pixels in each of the sub-pixel groups according to an image input signal; obtaining two groups of target gray scale value pairs according to the average gray scale value; each group of the target gray scale value pair includes a high gray scale value and a low gray scale value; a brightness of the high gray scale value and the low gray scale value in the front view is the same as a brightness of the average gray scale value in the front view; obtaining corresponding two groups of driving voltage pairs according to the two groups of the target gray scale value pairs in each of the pixel groups; driving the blue sub-pixels on the corresponding pixel group according to the two groups of the driving voltage pairs.