A fan rack fixture for fixing a fan rack to a housing of an electronic device is disclosed. The fan rack fixture includes a first positioning portion installed on a first side of the fan rack, a first locking portion installed on a first side of the housing for fixing the first positioning portion, a second positioning portion installed on a second side of the fan rack and opposite to the first positioning portion, and a second locking portion installed on a second side of the housing for fixing the second positioning portion. By virtue of the fan rack fixture, the fan rack can be assembled/disassembled to/from the housing of the electronic device, even without the use of any tool.