The present invention includes a drug layer that transmits a drug to a tooth, and a support layer that is located on the opposite side of the tooth adhesion surface of the drug layer and includes a water-soluble polymer and a water-insoluble polymer together. The present invention relates to a patch for attaching a tooth. The patch according to the present invention can be easily removed by brushing without removing the support layer.本発明は、歯牙に薬物を伝達する薬物層、及び、前記薬物層の歯牙付着面の反対側に位置し、水溶性高分子と水不溶性高分子とを一緒に含む支持層を含むことを特徴とする歯牙付着用パッチに関する。本発明によるパッチは、支持層を取り外すことなく、歯磨きだけで容易に除去することができる。