The utility model discloses an inside equipment fixing frock in electric room of prepackage type, including the equipment fixing frock, the top of equipment fixing frock is fixed to be equipped with four and to hang ring holder, the fixed strengthening rib that is equipped with in the equipment fixing frock, the bottom of equipment fixing frock is fixed and is equipped with four screw holes, the bottom mounting of equipment fixing frock is equipped with equipment, one side of equipment fixing frock is equipped with electric room, four are hung ring holder and all are 60 degrees square directional centers, four tops of hanging ring holder are the fixed rings that are equipped with all, rings hang with the line through the lifting rope to be connected, the fixed fan heat dissipation layer that is equipped with in one side of electric roof portion, the one side in electric room is equipped with the access door, the utility model discloses a can realize directly getting into electrical equipment through the access door in electric room through the equipment fixing frock, convenient and fast's installation is fixed a position inside the electric room, the circuit that can effectively avoid electric roof portion fan heat dissipation layer blocks, the installation location is nimble, can be fast convenient fix a position electric equipment erection for electric room in.