The adhesion base, the polymer and the particular polymer which possess the carboxyl group inside the molecule includes with the building a bridge medicine which builds a bridge, the building a bridge medicine, inside the molecule ester connection and ether linkage or 2 or more includes each of them at total and at the same time inside the molecule primary amino group, secondary amino group and features that it is the chemical compound which 2 or more includes the amino group of 1 where it is selected kinds at least at total from the group which consists of the 3rd class amino group.粘着基剤は、分子内にカルボキシル基を有する重合体と、当該重合体を架橋する架橋剤とを含み、架橋剤が、分子内にエステル結合およびエーテル結合またはそのいずれかを合計で2以上含み且つ分子内に第1級アミノ基、第2級アミノ基および第3級アミノ基からなる群より選択される少なくとも1種のアミノ基を合計で2以上含む化合物であることを特徴とする。