Disclosed herein are an apparatus of manufacturing a panel for home appliance by performing uniform surface processing on the panel and a method of manufacturing a home appliance by performing uniform surface processing on a panel. The apparatus of manufacturing a panel for home appliance includes a contacting roller configured to perform surface-processing on a panel that is to be processed; a pressing roller configured to press the panel toward the contacting roller; and a supporting roller configured to support a center middle portion of the contacting roller.