Abstract: The organic pollutants in cotton pulp wastewater were extracted with dimethyl ether under acidic conditions and concentrated using a Kuderna-Danish concentrator.GC-MS was used for the analysis of pollutants in the concentrate.14 organic matters were identified,including the major compounds organic acids,esters and ketones with concentration of 35.19%,30.03% and 19.68% respectively.In addition,diphenylamine and phenol as priority pollutant were also identified amounted to 7.85% and 5.42% respectively,of the total organic pollutants.