Computer fixing device

The utility model provides a computer fixing device. Fixed bottom plate, a plurality of movable bottom plates which are distributed side by side are movably mounted on one side of the fixed bottom plate through first hinges; the movable bottom plates are movably connected through a first hinge; through sliding grooves are formed in the two sides of the movable bottom plate and the two sides of thefixed bottom plate, two fixed side plates are placed in the sliding grooves respectively, a plurality of movable side plates distributed in parallel are movably installed on one sides of the fixed side plates through second hinges, and the movable side plates are movably connected through the second hinges. According to the computer fixing device, the computer case is protected between the fixedbottom plate and the fixed side plate by bending the movable side plate backwards according to the number of the folded movable bottom plates according to the size of the computer case, one set of device can protect a pluralit