PROBLEM TO BE SOLVED : To provide a sheet in which a needle-sticking hole remains in a visually emphasized external appearance when a needle such as an injection needle is stuck erroneously or incorrectly, and which enables easily and surely determining the presence of a needle-sticking history. SOLUTION : A needle-sticking detection sheet 100 has a whitening resin layer 10. The needle-sticking detection sheet is such that the whitening resin layer 10 is a resin layer which forms a whitened region 50 due to that the periphery of a needle-sticking hole 40 is whitened by a width of 0.2 mm or more when the needle-sticking hole 40 is formed by sticking an injection needle having a diameter of 0.80 mm and a blade die R B. SELECTED DRAWING : Figure 1 COPYRIGHT : (C)2019, JPO&INPIT