An electromagnetic interference (EMI) shield apparatus includes a shell, a hub, a shield member, a partition plate, a resilient member, and a cover. The hub is rotatably mounted within the shell. The shield member is wrapped around the hub. The partition plate is fastened to and rotatable together with the hub. The cover covered on an open end of the shell. The resilient member is connected between the partition plate and the cover to drive the hub to rotate to reel the shield member. The shield member is made of EMI shield material.