The invention, which belongs to the technical field of electronic products, provides a network cable tester with a music player, which comprises a shell and a built-in power supply. A jack device is arranged on the shell; the jack device is provided with an electric jack connected with the power supply; the jack device is provided with positioning holes; a music player with an electric plug matched with the electric jack is inserted in the jack device; the bottom part of the music player is provided with positioning pins matched with the positioning holes; each positioning hole is internally provided with an elastic block; and the jack device is provided with a switch connected with the electric jack. According to the scheme of the invention, the network cable tester has a function of listening to music, and assembly and disassembly are convenient. Due to a preferable clamping block and the control switch, control on the music player and stability enhancement are realized.