The invention relates to an optical distribution frame and a matched fiber plugging device. A square groove is arranged on the end face of the optical distribution frame. A cylindrical table is arranged on the center of the square groove. A fiber jack is arranged on the center of the cylindrical table. The matched fiber plugging device is a square structure. A cylindrical recessed hole is arranged on the center of the end face of the matched fiber plugging device. A fiber is arranged in the center of the cylindrical recessed hole. The matched fiber plugging device and the optical distribution frame can be plugged. The optical distribution frame and the matched fiber plugging device are simple in structure, may maintain the firm and dustproof characteristics of an original FC connector while connecting the fiber with communication equipment, and have advantages of simple and fast operation, low field construction loss, and low manufacture cost.