Network cable tapping device

The utility model relates to a network cable tapping device, which comprises an RJ45 network cable interface, an RJ45 network cable joint, an RJ 11 telephone cable joint and a network cable, wherein the network cable comprises a first core cable, a second core cable, a third core cable, a fourth core cable, a fifth core cable, a sixth core cable, a seventh core cable and an eighth core cable. The network cable tapping device is characterized in that one end of the network cable is connected with the RJ45 network cable interface, the first core cable, the second core cable, the third core cable and the sixth core cable arranged in the other end of the network cable are respectively connected with the RJ45 network cable joint, the fourth core cable and the fifth core cable are respectively connected with the RJ11 telephone cable joint, and/or the seventh core cable and the eighth core cable are respectively connected with the RJ11 telephone cable joint. The network cable tapping device has the advantages that the use is convenient, the structure is simple, the design is scientific and reasonable, the weight is light, the size is small, the maintenance is convenient, in addition, the cost is low, the installation can be completed only through simple insertion connection, the time is saved, the operation is simple, the operation is carried out without special personnel, and the wiring efficiency and the quality are effectively improved.