Abstract: trinitrotoluene(TNT) is a noxious compound in the waste water.With physical chemisty methods,a kind of good adsorbent is obtained which can be easily regenerated without second contamination.The result of treatment can reach the state standard.As a result,the coal of sulphonation has been selected as a better adsorbent,acetone is a kind of good regenerant,for dealing with waste water of TNT by coal of sulphonation.Effect of the structure,adsorption behaviors for coal of sulphonation and pretreatment technology for coal of sulphonation on adsorption of TNT have been studied.The experimental data processing formula was recommended.