Provided is a thermally conductive adhesive sheet that properly combines fixation performance and reprocessing performance of an adhered object. The thermally conductive adhesive sheet that comprise athermally conductive filler is provided. The adhesive sheet has a thermal resistance less than 6.0 cm<2>.K/W, and also has an adhesive strength N1 at 30 minutes of standing at 23 DEG C after appliedto a stainless steel plate and an adhesive strength N2 at 23 DEG C after subjected to 5 minutes of heating at 80 DEG C after applied to a stainless steel plate, satisfying N2/N1 >= 2.