Problem to be solved: to provide a liquid medicine administration unit, a chemical liquid administration module, a chemical solution administration apparatus, and a medication control system that can be achieved without requiring a quick and stable administration of the chemicals.Solution: a chemical liquid supply unit comprising a first fluid passage module, a second flow path portion and a driving mechanism portion, and a chemical liquid supply device having a support passage and a main passage.The first flow path portion includes an upstream side body in which a first flow passage in which the driving liquid is stored is formed, and the second flow passage portion includes a downstream body in which a second flow passage in which the chemical liquid is stored is formed.The driving mechanism includes a pair of electrodes and a porous body sandwiched between a pair of electrodes, and a communication passage connecting the end of the first flow path to the downstream end of the second flow path is formed.The downstream end of the second passage is connected to the branch, and the main passage is branched from the downstream side of the support and connected to a tube for dripping.Diagram【課題】薬液の迅速かつ安定的な投与を手間をかけずに実現する薬液投与ユニット、薬液投与モジュール、薬液投与装置、及び投薬管理システムを提供すること。【解決手段】第１流路部と第２流路部と駆動機構部とを有する薬液投与モジュールと、支路と主路とを有する薬液投与装置と、を備えた薬液投与ユニット。第１流路部は、駆動液が貯留される第１流路が形成された上流側本体を含み、第２流路部は、薬液が貯留される第２流路が形成された下流側本体を含む。駆動機構部は、一対の電極及び一対の電極に挟まれた多孔質体を含み、第１流路の下流側の端部と第２流路の上流側の端部とをつなぐ連通流路が形成されている。支路には、第２流路の下流側の端部が接続され、主路は、支路の下流側から分岐して点滴用のチューブに接続される。【選択図】図１
