To provide a blood collection aid which reduces positional deviation at the time of attachment and which can accurately guide a collection tool to a location of puncture.SOLUTION: A blood collection aid comprises: a first base part which has a first contact surface to be brought into contact with a first finger cushion； a second base part which has a second contact surface to be brought into contact with a second finger adjacent to the first finger； a connection part that connects the first and second base parts, and between the first and second fingers, comprises a first between-fingers contact surface to contact a side surface of the first finger and a second between-fingers contact surface to contact a side surface of the second finger； and a through hole formed in the first base part and penetrating from a part of the first contact surface of the first base part to an opposite surface.SELECTED DRAWING: Figure 1【課題】装着時の位置ずれが抑制され、採取具を穿刺した箇所へ精度よく案内する。【解決手段】本血液採取補助具は、第１の指の腹と接触させる第１接触面を有する第１基部と、前記第１の指の隣にある第２の指と接触させる第２接触面を有する第２基部と、前記第１基部と前記第２基部とを連結するとともに、前記第１の指と前記第２の指との間の指間部において、前記第１の指の側面と接触する第１指間接触面と前記第２の指の側面と接触する第２指間接触面を有する連結部と、前記第１基部に形成され、前記第１基部の前記第１接触面の一部から反対の面に向けて貫通する貫通孔と、を含む。【選択図】図１
