Fixer for data memory is in use for fixing data memory including at least one fixing hole. The fixer is composed of a fixed mount and an accommodation rack. The fixed mount includes a sidewall. The rack possesses a motherboard, a flange at front end for restricting position, a side plate, and a back plate. The side plate possesses at least a folded piece, which is fitted to the fixing hole on thedata memory. The data memory can be placed into the accommodation rack from other side opposite to the side plate slantwise, and fixed in the rack. A handle clipped on the sidewall of the rack is formed on the side plate of the rack. The data memory can be clipped to the rack expediently in shortcut. Moreover, the rack and data memory can be combined to a module so as to pick up or load the moduleconveniently by single hand.