The utility model provides a tape channel testing capabilities's power communication phonecard line sword, tool bit including shell and shell front end, the shell afterbody is equipped with metal probe, and one side of shell afterbody is equipped with the spout, the rear end and connecting rod rigid coupling of metal probe, and the metal probe is accomodate in the cavity of shell afterbody with the connecting rod, and the rigid coupling has an ejector pad on one side of the connecting rod, the ejector pad can freely slide in the spout, the side of shell is equipped with pilot lamp and battery jar, battery jar, pilot lamp and metal probe series connection. The utility model discloses combine connectivity testing capabilities with current card line sword, realized the optimization of function and the reduction of equipment quantity, effectively improved work efficiency.