PURPOSE: A cabinet jig device for refrigerator is provided to easily insert and detach an inner box of a cabinet. CONSTITUTION: A jig device includes a support(62) received in an inner box of a cabinet and supporting wall surfaces of the inner box to prevent deformation of the inner box during injection of foaming fluid to form an insulating wall between an outer box and the inner box of the cabinet. The support includes a main core(62a); a partitioning core(62b); a cam block(70); an actuating device(90); and a frame(80). The main core contacts with an inside wall of the inner box. The partitioning core is placed on one side of the main core corresponding with one side wall of the inner box to movable forward and backward. The cam block moves the partitioning core forward and backward within certain range. The actuating device actuates the cam block. The frame has the actuating device installed thereon and is placed in the main core.
