An eye wearing device is provided, including a body, at least one reservoir and at least one microchannel. The body has a first surface, a second surface, a center, a first outer edge of the first surface and a second outer edge of the second surface. The reservoir is disposed in the body to load the drug. The microchannel is disposed near the first outer edge of the first surface and the second outer edge of the second surface. One end of the microchannel is connected to the reservoir for filling the drug into the reservoir. The other end of the microchannel is an opening facing an edge of the eye wearing device for contacting the cornea and/or the sclera, and the opening is connected to the first outer edge of the first surface and the second outer edge of the second surface.