The present invention relates to a copyright and revenue distribution method and system for apparel fashion design using a blockchain. A first step (S100) of registering a clothing fashion design on a management site; A second step (S110) of determining similarity between the design data and the previously registered work; As a result of the determination, if the similarity is greater than or equal to the reference value, a third step (S120) of generating a blockchain ledger associated with the corresponding work; As a result of the determination, if the similarity is less than or equal to the reference value, a fourth step (S130) of generating a blockchain ledger related to the new creation; In addition, a fifth step (S140) of allocating revenues based on similarity through a block chain value when revenue for clothing fashion design occurs.
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