The present invention relates to a manufacturing method of an electronic paper display device and an electronic paper display device manufactured therefrom.The manufacturing method of the electronic paper display device may include forming a first auxiliary first dielectric layer on a first substrate; disposing electronic balls on the first auxiliary first dielectric layer; forming a second auxiliary first dielectric layer that fixes the electronic balls by curing the first auxiliary first dielectric layer; forming an auxiliary second dielectric layer on the second auxiliary first dielectric layer including the electronic balls; forming first and second dielectric layers by curing the second auxiliary first dielectric layer and the auxiliary second dielectric layer; and bonding the first substrate including the second dielectric layer to a second substrate.