The present invention discloses a fluorescent dog leash. The fluorescent dog leash comprises a hook, a connecting rope and a rope and further comprises a housing, a buckle, an automatic telescopic device and a bundling component; the hook, the connecting rope, the buckle, the rope and the automatic telescopic device are sequentially connected, the automatic telescopic device, according to the location of a dog, can automatically lengthen and shorten the rope, the automatic telescopic device and the rope are both arranged in the housing and the bundling component is fixedly connected with the lower end of the housing and is fixed to a wrist in a winding way. The housing is of a cylindrical body structure, and a fluorescent layer is arranged on the upper surface of the housing. According to the fluorescent dog leash provided by the present invention, when a dog walker walks the dog, the dog walker can run, watch a mobile phone or tie shoe laces at ease by only wearing the dog leash on the wrist and connecting another end of the dog leash to a collar for the dog. In a word, both hands can be liberated, and the dog walker has no need of always tightly dragging the dog leash. In addition, the fluorescent layer on the housing can be used for drawing the attention of to-and-fro vehicles to discover the dog walker at night in case of poor light.