A spray cover includes a cover covered on a spray can, the cover having a locating block at the periphery and a guide hole extended from the center of the locating block and connected to the output end of the spray can, and an adjustment block coupled to the locating block and moved on the locating block vertically between a first position, where a first spray hole at the adjustment block is connected to the guide hole at the locating block for producing a first spray, and a second position, where a second spray hole at the adjustment block is connected to the guide hole at the locating block for producing a second spray.
