<p>PURPOSE: A method for normalizing an image of digital pathology is provided to correct total sample image and to accurately diagnose. CONSTITUTION: A method for normalizing an image of digital pathoglogy comprises: a step of selecting a sample for image normalization(S100); a step of analyzing spectrum of a certain part of the selected sample to collect information of a substance existing in the certain part(S300); a step of calculating correlation equation through the collected information(S500); a step of correcting total image of the sample using the correlation equation(S700); and a step of normalizing the image of the sample through the corrected image(S900).</p>