The utility model relates to a multiplexer utensil bag in insulating fill, including tool bag and couple, the tool bag is plane, and the one side of tool bag is equipped with small bag, and the one end of tool bag is the tool bag link, the one end of couple is connected with the tool bag link for couple link, couple link, the other end of couple is used for hanging at insulating border of fightingfor hook end, hook end, the utility model provides an arrange in order, place for joining in marriage multiplexer utensil in insulating fill the among the net live working, the utility model discloses convenient to use is swift, can utilize a fill inner space effectively rationally, reduces the activity duration, improves the operating efficiency, the utility model discloses a length can be adjusted to the couple for the insulating of various different specifications is fought, the utility model discloses a couple and tool bag can also be dismantled, are convenient for change overhaul.