PROBLEM TO BE SOLVED: To provide a rapid infusion device capable of preventing a nurse or the like from forgetting to release the rapid infusion.SOLUTION: A rapid infusion device includes: a warming part 80 for warming a liquid L a liquid feed pump P1 for feeding the liquid L a small flow rate area adjusting operation part 90 for adjusting a flow rate of the liquid L a large flow rate area adjusting operation part 100 that adjusts a flow rate of the liquid L on the basis of a displacement amount with respect to a reference position in a flow rate area larger than the flow rate area of the liquid L adjusted by the small flow rate area adjusting operation part 90 an energization part 130 that energizes the large flow rate area adjusting operation part 100 in a direction of decreasing the displacement amount with respect to the reference position of the large flow rate area adjusting operation part 100 and a control part 50 that controls the drive of the liquid feed pump P1 on the basis of any one operation of the large flow rate area adjusting operation part 100 and the small flow rate area adjusting operation part 90.
