Nb and W co-doped SrTiO3 nanostructures were successfully synthesized by a fast urea-combustion process at relatively low temperature of 600 ℃.From XRD characterizations,it is concluded that SrTiO3 with different doping ratio can be prepared by tailoring the proportion of the starting materials.SEM observations show that the products have a narrow crystallite size distribution at about 15 nm.Finally,their thermoelectric properties were measured after a sintering procedure.