PROBLEM TO BE SOLVED: To provide a sticking sheet capable of adhering onto a living matter or a biomaterial with sufficient strength without using an adhesive component, difficult to separate even when adhered onto an uneven surface that moves, the sticking sheet with functionality added thereto.SOLUTION: A sticking sheet includes: a gel film being a dry gel film or a hydrogel film obtained by gelating a foam film； and a functional layer formed on the gel film and having no effect on an adhesiveness of the gel film.
