PROBLEM TO BE SOLVED: To provide a flow path switching member and a liquid feeding device capable of suppressing an error in switching a liquid feeding state. SOLUTION: A flow path switching member is movably held in a housing provided with a first communication port, a second communication port and a third communication port, a connector arrangement portion in which a connector is removably arranged, and the housing. In addition, the movable member has a movable member that moves to the first position by arranging the connector on the connector arrangement portion and moves to the second position by removing the connector from the connector arrangement portion. A first passage that communicates the first communication port and the third communication port with each other at the first position, a second closing portion that closes the second communication port at the first position, and the second position. It has a second communication passage for communicating the second communication port and the third communication port with each other, and a first closing portion for closing the first communication port at the second position. [Selection diagram] Fig. 3【課題】送液状態の切替えの間違いを抑制可能な流路切替部材及び送液装置を提供する。【解決手段】流路切替部材は、第１連通口、第２連通口及び第３連通口を備えるハウジングと、コネクタが除去可能に配置されるコネクタ配置部と、前記ハウジングに移動可能に保持されるとともに、前記コネクタ配置部への前記コネクタの配置によって第１位置に移動し、前記コネクタ配置部からの前記コネクタの除去によって第２位置に移動する可動部材とを有し、前記可動部材が、前記第１位置において前記第１連通口と前記第３連通口とを互いに連通させる第１連通路と、前記第１位置において前記第２連通口を閉塞する第２閉塞部と、前記第２位置において前記第２連通口と前記第３連通口とを互いに連通させる第２連通路と、前記第２位置において前記第１連通口を閉塞する第１閉塞部とを有する。【選択図】図３
