PROBLEM TO BE SOLVED: To provide an adhesive sheet having a weak initial adhesive force and excellent position adjustable ability (reworkability), while exhibiting excellent adhesive force after heating. The present invention is a pressure-sensitive adhesive sheet obtained by curing a pressure-sensitive adhesive composition containing a cross-linking (meth) acrylic copolymer and a cross-linking agent. It contains a unit derived from an alkoxyalkyl group-containing (meth) acrylate, a unit derived from a crosslinkable functional group-containing (meth) acrylate, a unit derived from a nitrogen-containing monomer, and a unit derived from methyl methacrylate, and is crosslinkable (crosslinkable). The content of the unit derived from the alkoxyalkyl group-containing (meth) acrylate is 40 to 90% by mass with respect to the total mass of the meta) acrylic copolymer, and the content of the unit derived from the crosslinkable functional group-containing (meth) acrylate is contained. The amount is 4 to 20% by mass, the content of the unit derived from the nitrogen-containing monomer is 3 to 20% by mass, and the content of the unit derived from methyl methacrylate is 3 to 20% by mass, which are predetermined. The present invention relates to an adhesive sheet satisfying the physical properties (1) and (2) of. [Selection diagram] Fig. 1
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