This invention discloses the board system and a submarine cable flaps Line, including the resumption of traction round, wire planes, cable embarkation devices and the supporting structures which set up a number of working platform, the working platform to set up a line traction installations and put online boat towing equipment, the working platform set up a number of cable beneath the pool, a cable winding circular pool set up Taiwan, characterized by at least two cable mutual Unicom is the pool, a round table set up wound a row of devices on the surface of the platform set up a parallel line to take line and missed trunkings leakage, or line leak trunkings and trunkings caving line leak on the same structure were set up with the first mobile arc frame and second mobile arc planes, Wound yen Taiwan counterparts at the top of the line leak trunkings next to a work platform, set up the first mobile location-arc structure, Taiwan counterparts Wound circle above the leakage trunkings caving line next to the work platform Arc set up a second mobile-positioning structure, the advantages can be stored longer submarine cable and at the same time cross-line operations conducted flaps.