This invented method to print photo and visiting card with colour enlarger includes such technological steps as putting the negative films of portaint and character plate in clip of a colour enlarger, locating mult-objective lens at a predutermined position according to the focal distances of multi-objective lens used in colour enlarger, selection of appropriate neutral equidensity optical filter based on the difference of densities of the negative films of portraint and character plate, locating the optical filter at the position of the negative film of character plate and printing speciment. After finishing its regulation the photo and visiting cards may be printed out continuously.