A multifunctional business machine includes a foldable-cover machine, a sheet-fed scanner and two fasteners. The foldable-cover machine has a cover and a platform covered by the cover. The sheet-fed scanner is disposed on the platform. One end of each fastener is fixed in one side of the cover, and another end of each fastener is configured with a shaft applied for pivoting the cover to the sheet-fed scanner. The cover rotates relative to the platform to be lifted with an angle and enable to lean against the sheet-fed scanner.