Parathion-methyl and carbofuran residues in vegetables were determined by gas chronmatography-mass spectrometry（GC/MS）.The effects of shaking and extraction time,extractant volume,salt content,preconcentration condition and other operation conditions on the analysis method were investigated.The results showed that optimal conditions were shaking and extraction for 90 min,extractant volume being 70 mL,3 g for salt concentration,preconcentration condition for 50℃ and low pressure 0.09 atm.The relative standard deviations of the method were below 10%.The recoveries percent of two insecticides were 83.5% for parathion-methyl and 93.5% for carbofuran.So the method can be used in analyzing them in vegetables.