Recently, a new sintering technique, electric field assisted flash sintering, has been developed [10]. Compared to other techniques, flash sintering can densify ceramics at much lower furnace temperature and shorter time [10-15], even though the samples temperature can be very high due to Joule heating l161 In general, flash sintering required two necessary conditions: (i) power dissipation must exceed a critical level; (ii) the furnace temperature must lie above a threshold value [17]. One unique advantage of flash sintering over conventional sintering is that the constraint effect occurring during sintering the composites could be reduced in flash sintering, likely due to the rates of volumetric and shear strains being equal to each other [18.19] This unique feature of flash sintering may offer an opportunity to solve the constraint problem encountered in sintering ceramic composites. In this paper, we report the preparation of SicwlZro2 com- posites by flash sintering the corresponding powder compacts. We find that close-to-fully-dense composites can be obtained at 1000 °C (furnace temperature) for 60 s. The resultant composite exhibits fracture toughness higher than the materials prepared by conventional hot-pressing Sicw/Zro2 18,9]. The current results indiate that flash sintering is a very promising technique to prepare whisker reinforced ceramic composites.