Abstract: This invention relates to an intravenous flow regulator that can be reused to address the environmental problem caused by disposable type regulators and to bHng down medical expenses, regardless of the degree of significance. The regulator is characterized by a unit generally consisting of a five-sided body and a regulating screw. The five-sided sided-body has a threaded hole for the regulating screw and a canal with a generally L-shaped section where the intravenous tube is to be accommodated. The threaded hole is bored through the canal.