Fiber optic cable transfer box is a backbone layer cable, wiring layer cable to provide optical cable termination, jumper connection of the transfer equipment. After the optical cable is introduced into the optical cable transfer box, it is fixed, terminated and paired with fibres, and then connected to the backbone optical cable and wiring layer optical cable using patch cables. The structure of the optical cable transfer box is mainly composed of the box, the internal gold workpiece, optical fibre connectors and accessories. According to the use of different occasions, can be divided into indoor type and outdoor type two, and can be floor, overhead, wall mounted.