The utility model relates to a mounting bracket for a fan, used for arranging fans in a machine case. The utility model is characterized in that: the mounting bracket for the fan is provided with a plurality of fan installation areas, a ventilation opening communicated with the inner side and outside of the case is arranged in each fan installation area, in which only one fan installation area is not arranged a fan, and a blinker is arranged on the ventilation opening of the fan installation area without a fan to enclose the ventilation opening.