An optical distribution frame cabinet , comprising a cabinet , wherein a plurality of optical distribution frames are disposed inside the cabinet ; wherein for each of the plurality of optical distribution frames : a first end of the optical distribution frame is configured to be hinged to the cabinet so that the optical distribution frame can rotate into or out of the cabinet , and a sliding groove is disposed on an end face of a second end of the optical distribution frame ; the sliding groove extends in a longitudinal direction of the optical distribution frame ; a mounting ear component is disposed on an end face of the cabinet and fastened to the cabinet , and the mounting ear component is convexly disposed facing the optical distribution frame when the optical distribution frame is rotated out of the cabinet ; and when the optical distribution frame rotates into the cabinet , the mounting ear component is inserted into the sliding groove and slides in a guide direction of the sliding groove , until the optical distribution frame is inserted into the cabinet , characterized in that a size of an opening of the sliding groove gradually increases in a direction away from a cabinet door of the cabinet a cutting plane of the sliding groove is broadening in a longitudinal direction of the optical distribution frame, and a first notch and a second notch are oppositely disposed at two ends of the broadening sliding groove ; the first notch is disposed near the cabinet door of the cabinet , the second notch is disposed away from the cabinet door of the cabinet , and a cross-sectional area of the second notch is greater than that of the first notch ; and when the mounting ear component is inserted into the second notch , a gap is formed between the mounting ear component and the second notch . a first end of the optical distribution frame is configured to be hinged to the cabinet so that the optical distribution frame can rotate into or out of the cabinet , and a sliding groove is disposed on an end face of a second end of the optical distribution frame ; the sliding groove extends in a longitudinal direction of the optical distribution frame ; a mounting ear component is disposed on an end face of the cabinet and fastened to the cabinet , and the mounting ear component is convexly disposed facing the optical distribution frame when the optical distribution frame is rotated out of the cabinet ; and when the optical distribution frame rotates into the cabinet , the mounting ear component is inserted into the sliding groove and slides in a guide direction of the sliding groove , until the optical distribution frame is inserted into the cabinet , characterized in that a size of an opening of the sliding groove gradually increases in a direction away from a cabinet door of the cabinet a cutting plane of the sliding groove is broadening in a longitudinal direction of the optical distribution frame, and a first notch and a second notch are oppositely disposed at two ends of the broadening sliding groove ; the first notch is disposed near the cabinet door of the cabinet , the second notch is disposed away from the cabinet door of the cabinet , and a cross-sectional area of the second notch is greater than that of the first notch ; and when the mounting ear component is inserted into the second notch , a gap is formed between the mounting ear component and the second notch . <EOS>