The utility model relates to a cable fastening clip and cable laying device relates to power equipment technical field, for solving the big and higher problem design of potential safety hazard of thefixed degree of difficulty of current cable fastening clip. This cable fastening clip installs on the stand bracket arm, includes first clamp, second clamp and is used for can dismantling the fixing bolt that fixed connection is in the same place with the two, and the holding chamber that formation is used for holding the cable is connected with the second clamp to first clamp. Second clamp and stand bracket arm fixed connection, second clamp are fixed and are provided with prefabricated nut, and first clamp is equipped with the through -hole, and fixing bolt passes the through -hole and connects soon with prefabricated nut cooperation. This cable laying device includes a plurality of above -mentioned cable fastening clip. The utility model provides a cable fastening clip and cable layingdevice is used for realizing cable laying in -process fixing the cable.