Chlorophenol is a group of toxic and presistent compounds in soil. Investigation on an appropriate procedure is very important to quantify all chlorophenol congeners. All parameters in ultrasonic combined with soild phase C18 extraction (SPE_C18), and then high performance liquid chromatography/ UV detector were selected and optimised. Various soil samples contaminated by chlorophenols containing from 0.67% to 2.36% of organic matter and clay content from 1.37%–22.30% were selected and examined. The results showed that a group of 3–chlorophenol, 3,4–dichlorophenol, 3,5–dichlorophenol, 3,4,5– trichlorophenol, 2,3,4,6–tetrachlorophenol, 2,3,4,5– tetrachlorophenol, pentachlorophenol contaminated in soils has high recovery efficiencies (>
70%) with low standard devitation (