The utility model relates to a power communication optical cable melts fibre in field in winter and salvagees workstation, including insulation box body, insulation box body comprises front panel, rear panel, left side board, right side board, bottom plate and upper cover, and the front panel is equipped with two socket type hand operation mouths, on the fixed board behind of small -size UPS6 and air heater, the lamp is installed on the upper portion of rear panel, and one side of lamp is provided with electron temperature control switch, respectively sets up an optical cable on left side board and the right side board and imports and exports. The utility model discloses because the hand at the workstation is operated the mouth and is equipped with sealed cloth and tightens up the mouth, the hot gas flow can backward not run off outside hand operation orad when can guarantee to work in the workstation is visited to the hand. The utility model discloses a box is owing to use insulating material can prevent that workstation both sides equipment transport handle can make things convenient for on -the -spot the removal to use at the on -the -spot electric shock accidents that takes place of power communication operation.