The present invention relates to a method of collecting an idea for a product design. According to an embodiment of the present invention, the method of collecting an idea for a product design comprises: a step (a) in which an idea collection server for a product design receives a product design from a seller; a step (b) in which the idea collection server for a product design receives an idea in a specific region of the product design from a participant; a step (c) in which the idea collection server for a product design posts images before and after the change of the product design that receives the idea to the server and SNS; a step (d) in which the idea collection server for a product design collects an evaluation of people for the posted post; and a step (e) in which the idea collection server for a product design provides a reward to the participant according to the collected evaluation. According to the present invention, a response to the idea through people′s reactions can be collected by receiving the idea for the product design from the participant and posting the idea on the server.
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