The utility model provides a luminous zipper, which comprises a metal zipper, a lock catch and a soft belt for bearing the metal zipper. The luminous zipper additionally comprises a plurality of light-emitting diodes, which are arranged on the soft belt along the length direction of the soft belt and are arranged on one side of the metal zipper or are respectively arranged on the two sides of the metal zipper. First pins of the light-emitting diodes are connected with corresponding positions of the metal zipper. Second pins of the light-emitting diodes are used for being connected with one electrode of a power supply. An interface which is connected with the other electrode of the power supply is arranged on the lock catch. The luminous zipper has the advantages that a light-emitting function can be added and diversified use methods such as entertainment, warning and signal transmission are provided for users.