A liquid feed device that feeds a liquid medium and a cell suspension to target containers by respectively suited liquid feed methods is provided. A pump 6 is connected between a first liquid bottle 12 containing a liquid medium and a second liquid bottle 2 containing a cell suspension, and a receptacle 8 to be used as a culture container is connected downstream of a second liquid bottle 12. The liquid medium in the first liquid bottle is sent to the receptacle through the pump 6 and a branch point 20 by opening a first supply valve 17, and the cell suspension in the second liquid bottle is sent to the receptacle by opening a first gas introducing valve 10, a second gas introducing valve 15, and a second supply valve 19 and transferring, by pressure, a gas supplied from the first gas introducing valve 10 to the second liquid bottle through the pump 6 and a branch point 16.