The fluid control device (1) includes a tube insertion portion (24) provided in the housing (2) and a fixing member (13) for fixing the tube inserted into the tube insertion portion (24) to the tube insertion portion (24). ) And the actuator (15), the pressing member (16) driven to press the tube inside the tube insertion portion (24) and the actuator (15) of the pressing member (16) are controlled. A control unit (26), wherein the control unit (26) fixes the tube to the pressing member (16) after the fixing member (13) fixes the tube to the tube insertion unit (24). Start pressing.流体制御装置(1)は、筐体(2)に設けられた管挿入部(24)と、管挿入部(24)に挿入された管を管挿入部(24)に固定する固定部材(13)と、アクチュエータ(15)によって、前記管挿入部(24)の内部で前記管を押圧するように駆動される押圧部材(16)と、前記押圧部材(16)のアクチュエータ(15)を制御する制御部(26)と、を備え、前記制御部(26)は、前記固定部材(13)が前記管挿入部(24)に前記管を固定した後、前記押圧部材(16)に前記管の押圧を開始させる。