The invention relates to a method for acquiring and managing morphological data of persons on a computer network, wherein said data is used for producing and/or delivering ready-made individually dimensioned clothes by at least one of the plurality of manufacturers. The inventive method consists, at a preliminary stage, in forming a first data base (3) on human body profiles by storing standard data sizes in a first computer system, in acquiring (6, 10), at a subsequent stage, representative current data of the morphology of said persons by means of a computerized acquisition system and in selecting (5, 8) personal data nearest to current data (6, 9) of each person from standard data. Said method is characterized in that personal data (12) is selected on a second computer system from a second database (4, 7), wherein standard data is organized by size ranges according to each manufacturer.