The present study was designed to evaluate effects of 2 ethanol extracts from Phyllanthus urinaria and Curcuma longa on serum uric acid levels in potassium oxonate-induced hyperuricaemia mice. Study design and Setting: Experimental study (randomized, controlled trials) from 9/2009 to 02/2010.Subjects: Swiss albino mice (30) weight body 18 - 22g from the Institute of Vaccines and Medical Biological - Nhatrang.