A method for mapping painful zones, includes: on a first screen, displaying a first silhouette representing the rear face of a body； drawing at least one painful zone on the first displayed silhouette； indicating the location of a pain felt by a patient； determining a first number of pixels on the first screen corresponding to the painful zone； measuring a reference distance between two morphological reference points on the patient； converting the first number of pixels into a painful cutaneous surface, the reference distance being used as a parameter in the conversion.
