A multifunctional case includes a base, a cover, and a foldable connecting area connecting the base to the cover, the base defines a receiving space in a front surface for receiving a flat-type electronic device. The cover is substantially the same size as the base and includes a first plate portion, a foldable second plate portion connected to the first plate portion, two foldable third plate portions connected to two sides of the first plate portion, and two foldable fourth plate portions connected to two sides of the second portion. The third plate portions are respectively connected to the fourth plate portions. The cover is foldable relative to the base, the connecting area, and the first through fourth plate portions can cooperatively fold to support the base in a slanted position so that the electronic device is supported in a slanted position.