Hot connecting and disconnecting fan fixing device

The utility model discloses a hot connecting and disconnecting fan fixing device, which belongs to the fittings of a computer. The utility model comprises a cabinet inner supporter and a radiation fan, wherein both sides of the rear part of the radiation fan are provided with a buckle and an opening pressing piece, and the front end of the radiation fan is provided with a sub plug; a mother plug seat which is fixed to the cabinet inner supporter corresponds to the sub plug, and the radiation fan is arranged in a corresponding space in the cabinet inner supporter by tracks which are arranged on the cabinet inner supporter. The utility model has the characteristics of reasonable design, simple structure, convenient operation, etc. The radiation fan can be disassembled and changed without opening the cabinet.