PURPOSE: An IV infusion flow regulator with a flushing feature is provided to regulate the flow-rate of IV infusion while preventing reverse flushing with a ratchet gear, thereby preventing medical malpractice.CONSTITUTION: An IV infusion flow regulator comprises a first body part(110) which includes an open space on the opposite side of a wall part, a tube compressing surface and a stationary roller groove a second body part(120) which is combined to the first body part to form a passage for an liquid infusion tube in the longitudinal direction between the first and second body parts and includes a tube compressing surface and a stationary roller groove a stationary roller(130) which includes a first gear part and a second gear part and a working roller(140) which controls infusion flow according to the degree of compressing the liquid infusion tube against the tube compressing surface and configures flushing by rotating with the first gear part of the stationary roller and a clip(150) which is combined in clip accommodation grooves of the first body part and the second body part.COPYRIGHT KIPO 2013