The utility model relates to a combined insulation shielding cover for live-line replacement of a 10-kilovolt load switch, and is applied to insulating and shielding the switch during the live-line replacement of the 10-kilovolt load switch. The combined insulation shielding cover is composed of a main insulation shielding cover (1), left and right side opening insulation shielding covers (3), a hard insulation flat plate (4) and primary and secondary sticky strips (5). By using the combined insulation shielding cover provided by the utility model, a conventional tedious mode of shielding a load switch by use of an insulation blanket is replaced, the effect is remarkable, the operation is convenient, time and labor are saved, the work efficiency is greatly improved, and a left insulation shielding cover portion and a right left insulation shielding cover portion are additionally installed such that terminal opening portions at the two sides of a main shielding cover can be effectively shielded, the creepage distance is increased, and the insulation effect is enhanced. The combined insulation shielding cover for the replacement of the 10-kilovolt load switch has the advantages of simple structure, convenient use and high safety coefficient, thereby being suitable for large-scale popularization and application in an electric power system.